diff options
Diffstat (limited to 'test/CodeGen/X86/optimize-max-1.ll')
| -rw-r--r-- | test/CodeGen/X86/optimize-max-1.ll | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/test/CodeGen/X86/optimize-max-1.ll b/test/CodeGen/X86/optimize-max-1.ll index 11e2f9a93a57f..08cb86ab39896 100644 --- a/test/CodeGen/X86/optimize-max-1.ll +++ b/test/CodeGen/X86/optimize-max-1.ll @@ -1,4 +1,5 @@ -; RUN: llc < %s -march=x86-64 | not grep cmov +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s ; LSR should be able to eliminate both smax and umax expressions ; in loop trip counts. @@ -6,6 +7,18 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" define void @fs(double* nocapture %p, i64 %n) nounwind { +; CHECK-LABEL: fs: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: .p2align 4, 0x90 +; CHECK-NEXT: .LBB0_1: # %bb +; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 +; CHECK-NEXT: movq $0, (%rdi,%rax,8) +; CHECK-NEXT: incq %rax +; CHECK-NEXT: cmpq %rsi, %rax +; CHECK-NEXT: jl .LBB0_1 +; CHECK-NEXT: # BB#2: # %return +; CHECK-NEXT: retq entry: %tmp = icmp slt i64 %n, 1 ; <i1> [#uses=1] %smax = select i1 %tmp, i64 1, i64 %n ; <i64> [#uses=1] @@ -24,6 +37,18 @@ return: ; preds = %bb } define void @bs(double* nocapture %p, i64 %n) nounwind { +; CHECK-LABEL: bs: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: .p2align 4, 0x90 +; CHECK-NEXT: .LBB1_1: # %bb +; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 +; CHECK-NEXT: movq $0, (%rdi,%rax,8) +; CHECK-NEXT: incq %rax +; CHECK-NEXT: cmpq %rsi, %rax +; CHECK-NEXT: jl .LBB1_1 +; CHECK-NEXT: # BB#2: # %return +; CHECK-NEXT: retq entry: %tmp = icmp sge i64 %n, 1 ; <i1> [#uses=1] %smax = select i1 %tmp, i64 %n, i64 1 ; <i64> [#uses=1] @@ -42,6 +67,18 @@ return: ; preds = %bb } define void @fu(double* nocapture %p, i64 %n) nounwind { +; CHECK-LABEL: fu: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: .p2align 4, 0x90 +; CHECK-NEXT: .LBB2_1: # %bb +; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 +; CHECK-NEXT: movq $0, (%rdi,%rax,8) +; CHECK-NEXT: incq %rax +; CHECK-NEXT: cmpq %rsi, %rax +; CHECK-NEXT: jb .LBB2_1 +; CHECK-NEXT: # BB#2: # %return +; CHECK-NEXT: retq entry: %tmp = icmp eq i64 %n, 0 ; <i1> [#uses=1] %umax = select i1 %tmp, i64 1, i64 %n ; <i64> [#uses=1] @@ -60,6 +97,18 @@ return: ; preds = %bb } define void @bu(double* nocapture %p, i64 %n) nounwind { +; CHECK-LABEL: bu: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: .p2align 4, 0x90 +; CHECK-NEXT: .LBB3_1: # %bb +; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 +; CHECK-NEXT: movq $0, (%rdi,%rax,8) +; CHECK-NEXT: incq %rax +; CHECK-NEXT: cmpq %rsi, %rax +; CHECK-NEXT: jb .LBB3_1 +; CHECK-NEXT: # BB#2: # %return +; CHECK-NEXT: retq entry: %tmp = icmp ne i64 %n, 0 ; <i1> [#uses=1] %umax = select i1 %tmp, i64 %n, i64 1 ; <i64> [#uses=1] |