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-rw-r--r--test/CodeGen/WebAssembly/cfg-stackify.ll571
1 files changed, 336 insertions, 235 deletions
diff --git a/test/CodeGen/WebAssembly/cfg-stackify.ll b/test/CodeGen/WebAssembly/cfg-stackify.ll
index f0e5f44716785..d46898b447032 100644
--- a/test/CodeGen/WebAssembly/cfg-stackify.ll
+++ b/test/CodeGen/WebAssembly/cfg-stackify.ll
@@ -1,8 +1,11 @@
-; RUN: llc < %s -asm-verbose=false -disable-block-placement -verify-machineinstrs | FileCheck %s
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck -check-prefix=OPT %s
+; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-block-placement -verify-machineinstrs -fast-isel=false | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -verify-machineinstrs -fast-isel=false | FileCheck -check-prefix=OPT %s
; Test the CFG stackifier pass.
+; Explicitly disable fast-isel, since it gets implicitly enabled in the
+; optnone test.
+
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
@@ -12,19 +15,23 @@ declare void @something()
; CHECK-LABEL: test0:
; CHECK: loop
-; CHECK-NOT: br
-; CHECK: i32.add
-; CHECK-NEXT: i32.ge_s
+; CHECK-NEXT: block
+; CHECK-NEXT: i32.const
+; CHECK-NEXT: i32.add
+; CHECK: i32.lt_s
; CHECK-NEXT: br_if
-; CHECK-NOT: br
-; CHECK: call
-; CHECK: br 0{{$}}
-; CHECK: return{{$}}
+; CHECK-NEXT: return
+; CHECK-NEXT: .LBB0_3:
+; CHECK-NEXT: end_block
+; CHECK-NEXT: call
+; CHECK-NEXT: br
+; CHECK-NEXT: .LBB0_4:
+; CHECK-NEXT: end_loop
; OPT-LABEL: test0:
; OPT: loop
-; OPT-NOT: br
-; OPT: i32.add
-; OPT-NEXT: i32.ge_s
+; OPT-NEXT: i32.const
+; OPT-NEXT: i32.add
+; OPT: i32.ge_s
; OPT-NEXT: br_if
; OPT-NOT: br
; OPT: call
@@ -53,19 +60,23 @@ back:
; CHECK-LABEL: test1:
; CHECK: loop
-; CHECK-NOT: br
-; CHECK: i32.add
-; CHECK-NEXT: i32.ge_s
+; CHECK-NEXT: block
+; CHECK-NEXT: i32.const
+; CHECK-NEXT: i32.add
+; CHECK: i32.lt_s
; CHECK-NEXT: br_if
-; CHECK-NOT: br
-; CHECK: call
-; CHECK: br 0{{$}}
-; CHECK: return{{$}}
+; CHECK-NEXT: return
+; CHECK-NEXT: .LBB1_3:
+; CHECK-NEXT: end_block
+; CHECK-NEXT: call
+; CHECK-NEXT: br
+; CHECK-NEXT: .LBB1_4:
+; CHECK-NEXT: end_loop
; OPT-LABEL: test1:
; OPT: loop
-; OPT-NOT: br
-; OPT: i32.add
-; OPT-NEXT: i32.ge_s
+; OPT-NEXT: i32.const
+; OPT-NEXT: i32.add
+; OPT: i32.ge_s
; OPT-NEXT: br_if
; OPT-NOT: br
; OPT: call
@@ -95,18 +106,24 @@ back:
; CHECK-LABEL: test2:
; CHECK-NOT: local
; CHECK: block{{$}}
-; CHECK: br_if {{[^,]*}}, 0{{$}}
-; CHECK: .LBB2_1:
-; CHECK: br_if ${{[0-9]+}}, 0{{$}}
-; CHECK: .LBB2_2:
+; CHECK: br_if 0, {{[^,]+}}{{$}}
+; CHECK: .LBB2_{{[0-9]+}}:
+; CHECK: loop
+; CHECK: br_if 0, $pop{{[0-9]+}}{{$}}
+; CHECK: .LBB2_{{[0-9]+}}:
+; CHECK: end_loop
+; CHECK: end_block
; CHECK: return{{$}}
; OPT-LABEL: test2:
; OPT-NOT: local
; OPT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT: .LBB2_1:
-; OPT: br_if ${{[0-9]+}}, 0{{$}}
-; OPT: .LBB2_2:
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT: .LBB2_{{[0-9]+}}:
+; OPT: loop
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
+; OPT: .LBB2_{{[0-9]+}}:
+; OPT: end_loop
+; OPT: end_block
; OPT: return{{$}}
define void @test2(double* nocapture %p, i32 %n) {
entry:
@@ -136,28 +153,33 @@ for.end:
; CHECK-LABEL: doublediamond:
; CHECK: block{{$}}
; CHECK-NEXT: block{{$}}
-; CHECK: br_if ${{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, ${{[^,]+}}{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB3_2:
; CHECK-NEXT: end_block{{$}}
; CHECK: block{{$}}
-; CHECK: br_if ${{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, ${{[^,]+}}{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB3_4:
; CHECK-NEXT: end_block{{$}}
; CHECK: .LBB3_5:
; CHECK-NEXT: end_block{{$}}
-; CHECK: return ${{[0-9]+}}{{$}}
+; CHECK: i32.const $push{{[0-9]+}}=, 0{{$}}
+; CHECK-NEXT: return $pop{{[0-9]+}}{{$}}
; OPT-LABEL: doublediamond:
-; OPT: block{{$}}
+; OPT: block{{$}}
; OPT-NEXT: block{{$}}
-; OPT: br_if ${{[^,]*}}, 0{{$}}
-; OPT: block{{$}}
-; OPT: br_if ${{[^,]*}}, 0{{$}}
-; OPT: br 1{{$}}
-; OPT: .LBB3_4:
-; OPT: .LBB3_5:
-; OPT: return ${{[0-9]+}}{{$}}
+; OPT-NEXT: block{{$}}
+; OPT: br_if 0, ${{[^,]+}}{{$}}
+; OPT: br_if 1, ${{[^,]+}}{{$}}
+; OPT: br 2{{$}}
+; OPT-NEXT: .LBB3_3:
+; OPT-NEXT: end_block
+; OPT: br 1{{$}}
+; OPT-NEXT: .LBB3_4:
+; OPT: .LBB3_5:
+; OPT-NEXT: end_block
+; OPT: return $pop{{[0-9]+}}{{$}}
define i32 @doublediamond(i32 %a, i32 %b, i32* %p) {
entry:
%c = icmp eq i32 %a, 0
@@ -183,12 +205,12 @@ exit:
; CHECK-LABEL: triangle:
; CHECK: block{{$}}
-; CHECK: br_if $1, 0{{$}}
+; CHECK: br_if 0, $1{{$}}
; CHECK: .LBB4_2:
; CHECK: return ${{[0-9]+}}{{$}}
; OPT-LABEL: triangle:
; OPT: block{{$}}
-; OPT: br_if $1, 0{{$}}
+; OPT: br_if 0, $1{{$}}
; OPT: .LBB4_2:
; OPT: return ${{[0-9]+}}{{$}}
define i32 @triangle(i32* %p, i32 %a) {
@@ -207,19 +229,21 @@ exit:
; CHECK-LABEL: diamond:
; CHECK: block{{$}}
; CHECK: block{{$}}
-; CHECK: br_if $1, 0{{$}}
+; CHECK: br_if 0, $1{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB5_2:
; CHECK: .LBB5_3:
-; CHECK: return ${{[0-9]+}}{{$}}
+; CHECK: i32.const $push{{[0-9]+}}=, 0{{$}}
+; CHECK-NEXT: return $pop{{[0-9]+}}{{$}}
; OPT-LABEL: diamond:
; OPT: block{{$}}
; OPT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT: br 1{{$}}
; OPT: .LBB5_2:
; OPT: .LBB5_3:
-; OPT: return ${{[0-9]+}}{{$}}
+; OPT: i32.const $push{{[0-9]+}}=, 0{{$}}
+; OPT-NEXT: return $pop{{[0-9]+}}{{$}}
define i32 @diamond(i32* %p, i32 %a) {
entry:
%c = icmp eq i32 %a, 0
@@ -251,13 +275,13 @@ entry:
; CHECK-LABEL: minimal_loop:
; CHECK-NOT: br
; CHECK: .LBB7_1:
-; CHECK: i32.store $discard=, 0($0), $pop{{[0-9]+}}{{$}}
+; CHECK: i32.store $drop=, 0($0), $pop{{[0-9]+}}{{$}}
; CHECK: br 0{{$}}
; CHECK: .LBB7_2:
; OPT-LABEL: minimal_loop:
; OPT-NOT: br
; OPT: .LBB7_1:
-; OPT: i32.store $discard=, 0($0), $pop{{[0-9]+}}{{$}}
+; OPT: i32.store $drop=, 0($0), $pop{{[0-9]+}}{{$}}
; OPT: br 0{{$}}
; OPT: .LBB7_2:
define i32 @minimal_loop(i32* %p) {
@@ -273,16 +297,18 @@ loop:
; CHECK-NOT: br
; CHECK: .LBB8_1:
; CHECK: loop{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, 0{{$}}
+; CHECK: br_if 0, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: end_loop{{$}}
-; CHECK: return ${{[0-9]+}}{{$}}
+; CHECK: i32.const $push{{[0-9]+}}=, 0{{$}}
+; CHECK-NEXT: return $pop{{[0-9]+}}{{$}}
; OPT-LABEL: simple_loop:
; OPT-NOT: br
; OPT: .LBB8_1:
; OPT: loop{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NEXT: end_loop{{$}}
-; OPT: return ${{[0-9]+}}{{$}}
+; OPT: i32.const $push{{[0-9]+}}=, 0{{$}}
+; OPT-NEXT: return $pop{{[0-9]+}}{{$}}
define i32 @simple_loop(i32* %p, i32 %a) {
entry:
%c = icmp eq i32 %a, 0
@@ -298,17 +324,17 @@ exit:
; CHECK-LABEL: doubletriangle:
; CHECK: block{{$}}
-; CHECK: br_if $0, 0{{$}}
+; CHECK: br_if 0, $0{{$}}
; CHECK: block{{$}}
-; CHECK: br_if $1, 0{{$}}
+; CHECK: br_if 0, $1{{$}}
; CHECK: .LBB9_3:
; CHECK: .LBB9_4:
; CHECK: return ${{[0-9]+}}{{$}}
; OPT-LABEL: doubletriangle:
; OPT: block{{$}}
-; OPT: br_if $0, 0{{$}}
+; OPT: br_if 0, $0{{$}}
; OPT: block{{$}}
-; OPT: br_if $1, 0{{$}}
+; OPT: br_if 0, $1{{$}}
; OPT: .LBB9_3:
; OPT: .LBB9_4:
; OPT: return ${{[0-9]+}}{{$}}
@@ -335,21 +361,23 @@ exit:
; CHECK-LABEL: ifelse_earlyexits:
; CHECK: block{{$}}
; CHECK: block{{$}}
-; CHECK: br_if $0, 0{{$}}
+; CHECK: br_if 0, $0{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB10_2:
-; CHECK: br_if $1, 0{{$}}
+; CHECK: br_if 0, $1{{$}}
; CHECK: .LBB10_4:
-; CHECK: return ${{[0-9]+}}{{$}}
+; CHECK: i32.const $push{{[0-9]+}}=, 0{{$}}
+; CHECK-NEXT: return $pop{{[0-9]+}}{{$}}
; OPT-LABEL: ifelse_earlyexits:
; OPT: block{{$}}
; OPT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT: br_if $1, 1{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT: br_if 1, $1{{$}}
; OPT: br 1{{$}}
; OPT: .LBB10_3:
; OPT: .LBB10_4:
-; OPT: return ${{[0-9]+}}{{$}}
+; OPT: i32.const $push{{[0-9]+}}=, 0{{$}}
+; OPT-NEXT: return $pop{{[0-9]+}}{{$}}
define i32 @ifelse_earlyexits(i32 %a, i32 %b, i32* %p) {
entry:
%c = icmp eq i32 %a, 0
@@ -374,36 +402,32 @@ exit:
; CHECK: .LBB11_1:
; CHECK: loop{{$}}
; CHECK: block{{$}}
-; CHECK: block{{$}}
-; CHECK: br_if $0, 0{{$}}
+; CHECK: br_if 0, $0{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB11_3:
+; CHECK: end_block{{$}}
; CHECK: block{{$}}
-; CHECK: br_if $1, 0{{$}}
+; CHECK: br_if 0, $1{{$}}
; CHECK: br 1{{$}}
; CHECK: .LBB11_5:
-; CHECK: .LBB11_6:
; CHECK: br 0{{$}}
-; CHECK: .LBB11_7:
+; CHECK: .LBB11_6:
; CHECK-NEXT: end_loop{{$}}
; OPT-LABEL: doublediamond_in_a_loop:
-; OPT: .LBB11_1:
-; OPT: loop{{$}}
-; OPT: block{{$}}
-; OPT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT: br 2{{$}}
-; OPT: .LBB11_4:
-; OPT-NEXT: end_block{{$}}
-; OPT: br 1{{$}}
-; OPT: .LBB11_5:
+; OPT: .LBB11_1:
+; OPT: loop{{$}}
+; OPT: block{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT: block{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT: br 2{{$}}
+; OPT-NEXT: .LBB11_4:
; OPT-NEXT: end_block{{$}}
-; OPT: .LBB11_6:
+; OPT: br 1{{$}}
+; OPT: .LBB11_5:
; OPT-NEXT: end_block{{$}}
-; OPT: br 0{{$}}
-; OPT: .LBB11_7:
+; OPT: br 0{{$}}
+; OPT: .LBB11_6:
; OPT-NEXT: end_loop{{$}}
define i32 @doublediamond_in_a_loop(i32 %a, i32 %b, i32* %p) {
entry:
@@ -438,10 +462,26 @@ exit:
; CHECK-NEXT: .LBB{{[0-9]+}}_{{[0-9]+}}:
; CHECK-NEXT: loop
; OPT-LABEL: test3:
-; OPT: loop
+; OPT: block
+; OPT: br_if
+; OPT: .LBB{{[0-9]+}}_{{[0-9]+}}:
+; OPT-NEXT: loop
+; OPT-NEXT: block
+; OPT-NEXT: block
; OPT-NEXT: br_if
; OPT-NEXT: .LBB{{[0-9]+}}_{{[0-9]+}}:
; OPT-NEXT: loop
+; OPT: br_if
+; OPT-NEXT: br
+; OPT-NEXT: .LBB{{[0-9]+}}_{{[0-9]+}}:
+; OPT-NEXT: end_loop
+; OPT-NEXT: end_block
+; OPT-NEXT: unreachable
+; OPT-NEXT: .LBB{{[0-9]+}}_{{[0-9]+}}:
+; OPT-NEXT: end_block
+; OPT: br
+; OPT-NEXT: .LBB{{[0-9]+}}_{{[0-9]+}}:
+; OPT-NEXT: end_loop
declare void @bar()
define void @test3(i32 %w) {
entry:
@@ -475,44 +515,36 @@ if.end:
; CHECK-NEXT: .param i32{{$}}
; CHECK: block{{$}}
; CHECK-NEXT: block{{$}}
-; CHECK-NEXT: block{{$}}
-; CHECK: br_if $pop{{[0-9]*}}, 0{{$}}
-; CHECK-NEXT: block{{$}}
-; CHECK: br_if $pop{{[0-9]*}}, 0{{$}}
-; CHECK: br_if $pop{{[0-9]*}}, 2{{$}}
+; CHECK: br_if 0, $pop{{[0-9]+}}{{$}}
+; CHECK: br_if 1, $pop{{[0-9]+}}{{$}}
+; CHECK: br 1{{$}}
; CHECK-NEXT: .LBB13_3:
; CHECK-NEXT: end_block{{$}}
-; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB13_4:
-; CHECK: br_if $pop{{[0-9]*}}, 1{{$}}
-; CHECK: br_if $pop{{[0-9]*}}, 0{{$}}
-; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB13_7:
+; CHECK-NEXT: block{{$}}
+; CHECK: br_if 0, $pop{{[0-9]+}}{{$}}
+; CHECK: br_if 1, $pop{{[0-9]+}}{{$}}
+; CHECK-NEXT: .LBB13_5:
; CHECK-NEXT: end_block{{$}}
; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB13_8:
+; CHECK-NEXT: .LBB13_6:
; CHECK-NEXT: end_block{{$}}
; CHECK-NEXT: return{{$}}
; OPT-LABEL: test4:
; OPT-NEXT: .param i32{{$}}
; OPT: block{{$}}
; OPT-NEXT: block{{$}}
-; OPT-NEXT: block{{$}}
-; OPT: br_if $pop{{[0-9]*}}, 0{{$}}
-; OPT-NEXT: block{{$}}
-; OPT: br_if $pop{{[0-9]*}}, 0{{$}}
-; OPT: br_if $pop{{[0-9]*}}, 2{{$}}
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
+; OPT: br_if 1, $pop{{[0-9]+}}{{$}}
+; OPT: br 1{{$}}
; OPT-NEXT: .LBB13_3:
; OPT-NEXT: end_block{{$}}
-; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB13_4:
-; OPT: br_if $pop{{[0-9]*}}, 1{{$}}
-; OPT: br_if $pop{{[0-9]*}}, 0{{$}}
-; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB13_7:
+; OPT-NEXT: block{{$}}
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
+; OPT: br_if 1, $pop{{[0-9]+}}{{$}}
+; OPT-NEXT: .LBB13_5:
; OPT-NEXT: end_block{{$}}
; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB13_8:
+; OPT-NEXT: .LBB13_6:
; OPT-NEXT: end_block{{$}}
; OPT-NEXT: return{{$}}
define void @test4(i32 %t) {
@@ -544,8 +576,8 @@ default:
; CHECK: .LBB14_1:
; CHECK-NEXT: block{{$}}
; CHECK-NEXT: loop{{$}}
-; CHECK: br_if {{[^,]*}}, 2{{$}}
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NEXT: end_loop{{$}}
; CHECK: return{{$}}
; CHECK-NEXT: .LBB14_4:
@@ -554,8 +586,8 @@ default:
; OPT: .LBB14_1:
; OPT-NEXT: block{{$}}
; OPT-NEXT: loop{{$}}
-; OPT: br_if {{[^,]*}}, 2{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 2, {{[^,]+}}{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NEXT: end_loop{{$}}
; OPT: return{{$}}
; OPT-NEXT: .LBB14_4:
@@ -591,11 +623,11 @@ return:
; CHECK-NEXT: block{{$}}
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 3{{$}}
+; CHECK: br_if 3, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 2{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NEXT: end_loop{{$}}
; CHECK-NOT: block
; CHECK: return{{$}}
@@ -612,11 +644,11 @@ return:
; OPT-NEXT: block{{$}}
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 3{{$}}
+; OPT: br_if 3, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 2{{$}}
+; OPT: br_if 2, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NEXT: end_loop{{$}}
; OPT-NOT: block
; OPT: return{{$}}
@@ -664,34 +696,38 @@ second:
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
; CHECK: block{{$}}
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
+; CHECK: br_if 1, {{[^,]+}}{{$}}
; CHECK-NOT: block
; CHECK: unreachable
; CHECK-NEXT: .LBB16_4:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NEXT: end_loop{{$}}
; CHECK-NOT: block
; CHECK: unreachable
; OPT-LABEL: test7:
; OPT: .LBB16_1:
+; OPT-NEXT: block
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
; OPT: block{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
+; OPT: br_if 1, {{[^,]+}}{{$}}
+; OPT: br 3{{$}}
+; OPT-NEXT: .LBB16_3:
+; OPT-NEXT: end_block
; OPT-NOT: block
-; OPT: unreachable
-; OPT-NEXT: .LBB16_4:
-; OPT-NEXT: end_block{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT-NEXT: end_loop
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT-NEXT: end_loop{{$}}
+; OPT: unreachable
+; OPT-NEXT: .LBB16_5:
+; OPT-NEXT: end_block
; OPT-NOT: block
; OPT: unreachable
define void @test7(i1 %tobool2, i1 %tobool9) {
@@ -725,31 +761,19 @@ u1:
; CHECK-LABEL: test8:
; CHECK: .LBB17_1:
; CHECK-NEXT: loop{{$}}
-; CHECK-NEXT: block{{$}}
-; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
-; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
-; CHECK-NEXT: .LBB17_3:
-; CHECK-NEXT: end_block{{$}}
-; CHECK-NEXT: loop{{$}}
-; CHECK-NEXT: br_if {{[^,]*}}, 0{{$}}
-; CHECK-NEXT: br 2{{$}}
-; CHECK-NEXT: .LBB17_4:
+; CHECK-NEXT: i32.const $push{{[^,]+}}, 0{{$}}
+; CHECK-NEXT: br_if 0, {{[^,]+}}{{$}}
+; CHECK-NEXT: br 0{{$}}
+; CHECK-NEXT: .LBB17_2:
+; CHECK-NEXT: end_loop{{$}}
; OPT-LABEL: test8:
; OPT: .LBB17_1:
; OPT-NEXT: loop{{$}}
-; OPT-NEXT: block{{$}}
-; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
-; OPT-NEXT: .LBB17_3:
-; OPT-NEXT: end_block{{$}}
-; OPT-NEXT: loop{{$}}
-; OPT-NEXT: br_if {{[^,]*}}, 0{{$}}
-; OPT-NEXT: br 2{{$}}
-; OPT-NEXT: .LBB17_4:
+; OPT-NEXT: i32.const $push{{[^,]+}}, 0{{$}}
+; OPT-NEXT: br_if 0, {{[^,]+}}{{$}}
+; OPT-NEXT: br 0{{$}}
+; OPT-NEXT: .LBB17_2:
+; OPT-NEXT: end_loop{{$}}
define i32 @test8() {
bb:
br label %bb1
@@ -774,21 +798,21 @@ bb3:
; CHECK: .LBB18_1:
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
+; CHECK: br_if 1, {{[^,]+}}{{$}}
; CHECK-NEXT: .LBB18_2:
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
; CHECK: block{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
-; CHECK-NEXT: br 3{{$}}
+; CHECK: br_if 3, {{[^,]+}}{{$}}
+; CHECK-NEXT: br 1{{$}}
; CHECK-NEXT: .LBB18_4:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
-; CHECK-NEXT: br 2{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
+; CHECK-NEXT: br 0{{$}}
; CHECK-NEXT: .LBB18_5:
; CHECK-NOT: block
; CHECK: return{{$}}
@@ -796,20 +820,20 @@ bb3:
; OPT: .LBB18_1:
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
+; OPT: br_if 1, {{[^,]+}}{{$}}
; OPT-NEXT: .LBB18_2:
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
; OPT: block{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
+; OPT: br_if 1, {{[^,]+}}{{$}}
; OPT-NEXT: br 3{{$}}
; OPT-NEXT: .LBB18_4:
; OPT-NEXT: end_block{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NEXT: br 2{{$}}
; OPT-NEXT: .LBB18_5:
; OPT-NOT: block
@@ -852,50 +876,50 @@ end:
; CHECK: .LBB19_1:
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
-; CHECK-NEXT: .LBB19_2:
+; CHECK: br_if 0, {{[^,]+}}{{$}}
+; CHECK: .LBB19_3:
; CHECK-NEXT: block{{$}}
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
-; CHECK: .LBB19_3:
+; CHECK: .LBB19_4:
; CHECK-NEXT: loop{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 5{{$}}
+; CHECK: br_if 5, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: tableswitch {{[^,]*}}, 0, 0, 1, 5, 2, 4{{$}}
-; CHECK-NEXT: .LBB19_5:
+; CHECK: br_table {{[^,]+}}, 0, 1, 5, 2, 4, 0{{$}}
+; CHECK-NEXT: .LBB19_6:
; CHECK-NEXT: end_loop{{$}}
; CHECK-NEXT: end_loop{{$}}
; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB19_6:
+; CHECK-NEXT: .LBB19_7:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
; CHECK: br 0{{$}}
-; CHECK-NEXT: .LBB19_7:
+; CHECK-NEXT: .LBB19_8:
; OPT-LABEL: test10:
; OPT: .LBB19_1:
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 0{{$}}
-; OPT-NEXT: .LBB19_2:
+; OPT: br_if 0, {{[^,]+}}{{$}}
+; OPT: .LBB19_3:
; OPT-NEXT: block{{$}}
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
-; OPT: .LBB19_3:
+; OPT: .LBB19_4:
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 5{{$}}
+; OPT: br_if 5, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: tableswitch {{[^,]*}}, 0, 0, 1, 5, 2, 4{{$}}
-; OPT-NEXT: .LBB19_5:
+; OPT: br_table {{[^,]+}}, 0, 1, 5, 2, 4, 0{{$}}
+; OPT-NEXT: .LBB19_6:
; OPT-NEXT: end_loop{{$}}
; OPT-NEXT: end_loop{{$}}
; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB19_6:
+; OPT-NEXT: .LBB19_7:
; OPT-NEXT: end_block{{$}}
; OPT-NOT: block
; OPT: br 0{{$}}
-; OPT-NEXT: .LBB19_7:
+; OPT-NEXT: .LBB19_8:
define void @test10() {
bb0:
br label %bb1
@@ -938,12 +962,12 @@ bb6:
; CHECK-NEXT: block{{$}}
; CHECK-NEXT: block{{$}}
; CHECK-NEXT: block{{$}}
-; CHECK-NEXT: br_if {{[^,]*}}, 0{{$}}
-; CHECK-NEXT: block{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: block{{$}}
+; CHECK-NEXT: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 2{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
; CHECK-NEXT: .LBB20_3:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
@@ -951,9 +975,9 @@ bb6:
; CHECK-NEXT: .LBB20_4:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 2{{$}}
+; CHECK: br_if 1, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
; CHECK-NEXT: .LBB20_6:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
@@ -969,12 +993,12 @@ bb6:
; OPT-LABEL: test11:
; OPT: block{{$}}
; OPT-NEXT: block{{$}}
-; OPT-NEXT: br_if $0, 0{{$}}
-; OPT-NEXT: block{{$}}
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if $0, 0{{$}}
+; OPT: block{{$}}
+; OPT-NEXT: br_if 0, $0{{$}}
; OPT-NOT: block
-; OPT: br_if $0, 2{{$}}
+; OPT: br_if 2, {{[^,]+}}{{$}}
; OPT-NEXT: .LBB20_3:
; OPT-NEXT: end_block{{$}}
; OPT-NOT: block
@@ -984,13 +1008,13 @@ bb6:
; OPT-NOT: block
; OPT: block{{$}}
; OPT-NOT: block
-; OPT: br_if $pop9, 0{{$}}
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
; OPT-NOT: block
; OPT: return{{$}}
; OPT-NEXT: .LBB20_6:
; OPT-NEXT: end_block{{$}}
; OPT-NOT: block
-; OPT: br_if $0, 0{{$}}
+; OPT: br_if 0, $pop{{[0-9]+}}{{$}}
; OPT-NOT: block
; OPT: return{{$}}
; OPT-NEXT: .LBB20_8:
@@ -1033,54 +1057,49 @@ bb8:
; CHECK-NOT: block
; CHECK: block{{$}}
; CHECK-NEXT: block{{$}}
-; CHECK-NEXT: block{{$}}
-; CHECK: br_if {{[^,]*}}, 0{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 2{{$}}
+; CHECK: br_if 1, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 2{{$}}
-; CHECK-NEXT: br 1{{$}}
+; CHECK: br_if 1, {{[^,]+}}{{$}}
+; CHECK-NEXT: br 3{{$}}
; CHECK-NEXT: .LBB21_4:
; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
+; CHECK: br_if 0, {{[^,]+}}{{$}}
; CHECK-NOT: block
-; CHECK: br_if {{[^,]*}}, 1{{$}}
+; CHECK: br_if 2, {{[^,]+}}{{$}}
; CHECK-NEXT: .LBB21_6:
; CHECK-NEXT: end_block{{$}}
-; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB21_7:
-; CHECK-NEXT: end_block{{$}}
; CHECK-NOT: block
; CHECK: br 0{{$}}
-; CHECK-NEXT: .LBB21_8:
+; CHECK-NEXT: .LBB21_7:
+; CHECK-NEXT: end_loop{{$}}
+; CHECK-NEXT: return{{$}}
; OPT-LABEL: test12:
; OPT: .LBB21_1:
; OPT-NEXT: loop{{$}}
; OPT-NOT: block
; OPT: block{{$}}
; OPT-NEXT: block{{$}}
-; OPT-NEXT: block{{$}}
-; OPT: br_if {{[^,]*}}, 0{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 2{{$}}
+; OPT: br_if 1, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 2{{$}}
-; OPT-NEXT: br 1{{$}}
+; OPT: br_if 1, {{[^,]+}}{{$}}
+; OPT-NEXT: br 3{{$}}
; OPT-NEXT: .LBB21_4:
; OPT-NEXT: end_block{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
+; OPT: br_if 0, {{[^,]+}}{{$}}
; OPT-NOT: block
-; OPT: br_if {{[^,]*}}, 1{{$}}
+; OPT: br_if 2, {{[^,]+}}{{$}}
; OPT-NEXT: .LBB21_6:
; OPT-NEXT: end_block{{$}}
-; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB21_7:
-; OPT-NEXT: end_block{{$}}
-; OPT-NOT: block
; OPT: br 0{{$}}
-; OPT-NEXT: .LBB21_8:
+; OPT-NEXT: .LBB21_7:
+; OPT-NEXT: end_loop{{$}}
+; OPT-NEXT: return{{$}}
define void @test12(i8* %arg) {
bb:
br label %bb1
@@ -1109,33 +1128,37 @@ bb7:
; optnone to disable optimizations to test this case.
; CHECK-LABEL: test13:
-; CHECK-NEXT: local i32{{$}}
+; CHECK-NEXT: .local i32{{$}}
+; CHECK-NEXT: block{{$}}
+; CHECK-NEXT: block{{$}}
+; CHECK: br_if 0, $pop0{{$}}
; CHECK: block{{$}}
-; CHECK: br_if $pop4, 0{{$}}
-; CHECK-NEXT: return{{$}}
-; CHECK-NEXT: .LBB22_2:
+; CHECK: br_if 0, $pop3{{$}}
+; CHECK: .LBB22_3:
; CHECK-NEXT: end_block{{$}}
-; CHECK: block{{$}}
-; CHECK-NEXT: br_if $0, 0{{$}}
-; CHECK: .LBB22_4:
+; CHECK: br_if 1, $pop{{[0-9]+}}{{$}}
+; CHECK-NEXT: br 1{{$}}
+; CHECK-NEXT: .LBB22_4:
; CHECK-NEXT: end_block{{$}}
-; CHECK: block{{$}}
-; CHECK: br_if $pop6, 0{{$}}
+; CHECK-NEXT: return{{$}}
+; CHECK-NEXT: .LBB22_5:
; CHECK-NEXT: end_block{{$}}
; CHECK-NEXT: unreachable{{$}}
; OPT-LABEL: test13:
-; OPT-NEXT: local i32{{$}}
-; OPT: block{{$}}
-; OPT: br_if $pop4, 0{{$}}
-; OPT-NEXT: return{{$}}
-; OPT-NEXT: .LBB22_2:
-; OPT-NEXT: end_block{{$}}
+; OPT-NEXT: .local i32{{$}}
+; OPT-NEXT: block{{$}}
+; OPT-NEXT: block{{$}}
+; OPT: br_if 0, $pop0{{$}}
; OPT: block{{$}}
-; OPT-NEXT: br_if $0, 0{{$}}
-; OPT: .LBB22_4:
+; OPT: br_if 0, $pop3{{$}}
+; OPT: .LBB22_3:
; OPT-NEXT: end_block{{$}}
-; OPT: block{{$}}
-; OPT: br_if $pop6, 0{{$}}
+; OPT: br_if 1, $pop{{[0-9]+}}{{$}}
+; OPT-NEXT: br 1{{$}}
+; OPT-NEXT: .LBB22_4:
+; OPT-NEXT: end_block
+; OPT-NEXT: return
+; OPT-NEXT: .LBB22_5:
; OPT-NEXT: end_block{{$}}
; OPT-NEXT: unreachable{{$}}
define void @test13() noinline optnone {
@@ -1159,15 +1182,15 @@ bb5:
; before the loop for the second.
; CHECK-LABEL: test14:
-; CHECK-NEXT: local i32{{$}}
-; CHECK-NEXT: i32.const $0=, 0{{$}}
; CHECK-NEXT: .LBB23_1:{{$}}
; CHECK-NEXT: loop{{$}}
-; CHECK-NEXT: br_if $0, 0{{$}}
-; CHECK-NEXT: .LBB23_2:{{$}}
+; CHECK-NEXT: i32.const $push0=, 0{{$}}
+; CHECK-NEXT: br_if 0, $pop0{{$}}
; CHECK-NEXT: end_loop{{$}}
+; CHECK-NEXT: .LBB23_3:{{$}}
; CHECK-NEXT: loop{{$}}
-; CHECK-NEXT: br_if $0, 0{{$}}
+; CHECK-NEXT: i32.const $push1=, 0{{$}}
+; CHECK-NEXT: br_if 0, $pop1{{$}}
; CHECK-NEXT: end_loop{{$}}
; CHECK-NEXT: return{{$}}
define void @test14() {
@@ -1215,3 +1238,81 @@ bb48:
bb50:
ret void
}
+
+; Test that a block boundary which ends one block, begins another block, and
+; also begins a loop, has the markers placed in the correct order.
+
+; CHECK-LABEL: test15:
+; CHECK: block
+; CHECK-NEXT: block
+; CHECK: br_if 0, $pop{{.*}}{{$}}
+; CHECK: .LBB24_2:
+; CHECK-NEXT: block{{$}}
+; CHECK-NEXT: loop{{$}}
+; CHECK: br_if 1, $pop{{.*}}{{$}}
+; CHECK: br_if 0, ${{.*}}{{$}}
+; CHECK-NEXT: br 2{{$}}
+; CHECK-NEXT: .LBB24_4:
+; CHECK-NEXT: end_loop{{$}}
+; CHECK: .LBB24_5:
+; CHECK-NEXT: end_block{{$}}
+; CHECK: br_if 1, $pop{{.*}}{{$}}
+; CHECK: return{{$}}
+; CHECK: .LBB24_7:
+; CHECK-NEXT: end_block{{$}}
+; CHECK: .LBB24_8:
+; CHECK-NEXT: end_block{{$}}
+; CHECK-NEXT: return{{$}}
+; OPT-LABEL: test15:
+; OPT: block
+; OPT: block
+; OPT-NEXT: i32.const $push
+; OPT-NEXT: i32.eqz $push{{.*}}=, $pop{{.*}}{{$}}
+; OPT-NEXT: br_if 0, $pop{{.*}}{{$}}
+; OPT-NEXT: call test15_callee1@FUNCTION{{$}}
+; OPT-NEXT: br 1{{$}}
+; OPT-NEXT: .LBB24_2:
+; OPT-NEXT: end_block
+; OPT-NEXT: i32.const
+; OPT-NEXT: .LBB24_3:
+; OPT-NEXT: block
+; OPT-NEXT: loop
+%0 = type { i8, i32 }
+declare void @test15_callee0()
+declare void @test15_callee1()
+define void @test15() {
+bb:
+ %tmp1 = icmp eq i8 1, 0
+ br i1 %tmp1, label %bb2, label %bb14
+
+bb2:
+ %tmp3 = phi %0** [ %tmp6, %bb5 ], [ null, %bb ]
+ %tmp4 = icmp eq i32 0, 11
+ br i1 %tmp4, label %bb5, label %bb8
+
+bb5:
+ %tmp = bitcast i8* null to %0**
+ %tmp6 = getelementptr %0*, %0** %tmp3, i32 1
+ %tmp7 = icmp eq %0** %tmp6, null
+ br i1 %tmp7, label %bb10, label %bb2
+
+bb8:
+ %tmp9 = icmp eq %0** null, undef
+ br label %bb10
+
+bb10:
+ %tmp11 = phi %0** [ null, %bb8 ], [ %tmp, %bb5 ]
+ %tmp12 = icmp eq %0** null, %tmp11
+ br i1 %tmp12, label %bb15, label %bb13
+
+bb13:
+ call void @test15_callee0()
+ ret void
+
+bb14:
+ call void @test15_callee1()
+ ret void
+
+bb15:
+ ret void
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-19 13:41:55 +0000