vendor/llvm/llvm-r84949

2 files changed, 149 insertions, 0 deletions

diff --git a/test/Transforms/ConstProp/constant-expr.ll b/test/Transforms/ConstProp/constant-expr.ll
new file mode 100644
index 000000000000..eece37fa69df
--- /dev/null
+++ b/test/Transforms/ConstProp/constant-expr.ll
@@ -0,0 +1,60 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+@X = external global i8
+@Y = external global i8
+@Z = external global i8
+
+@A = global i1 add (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @A = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+@B = global i1 sub (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z)), align 2
+; CHECK: @B = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+@C = global i1 mul (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @C = global i1 and (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+
+@D = global i1 sdiv (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @D = global i1 icmp ult (i8* @X, i8* @Y)
+@E = global i1 udiv (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @E = global i1 icmp ult (i8* @X, i8* @Y)
+@F = global i1 srem (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @F = global i1 false ; <i1*> [#uses=0]
+@G = global i1 urem (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
+; CHECK: @G = global i1 false ; <i1*> [#uses=0]
+
+@H = global i1 icmp ule (i32* bitcast (i8* @X to i32*), i32* bitcast (i8* @Y to i32*))
+; CHECK: @H = global i1 icmp ule (i8* @X, i8* @Y)
+
+@I = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 false)
+; CHECK: @I = global i1 icmp ult (i8* @X, i8* @Y)
+@J = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 true)
+; CHECK: @J = global i1 icmp uge (i8* @X, i8* @Y)
+
+@K = global i1 icmp eq (i1 icmp ult (i8* @X, i8* @Y), i1 false)
+; CHECK: @K = global i1 icmp uge (i8* @X, i8* @Y)
+@L = global i1 icmp eq (i1 icmp ult (i8* @X, i8* @Y), i1 true)
+; CHECK: @L = global i1 icmp ult (i8* @X, i8* @Y)
+@M = global i1 icmp ne (i1 icmp ult (i8* @X, i8* @Y), i1 true)
+; CHECK: @M = global i1 icmp uge (i8* @X, i8* @Y)
+@N = global i1 icmp ne (i1 icmp ult (i8* @X, i8* @Y), i1 false)
+; CHECK: @N = global i1 icmp ult (i8* @X, i8* @Y)
+
+@O = global i1 icmp eq (i32 zext (i1 icmp ult (i8* @X, i8* @Y) to i32), i32 0)
+; CHECK: @O = global i1 icmp uge (i8* @X, i8* @Y)
+
+
+
+; PR5176
+
+; CHECK: @T1 = global i1 true
+@T1 = global i1 icmp eq (i64 and (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 1), i64 0)
+
+; CHECK: @T2 = global i1* @B
+@T2 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 128) to i64)) to i1*)
+
+; CHECK: @T3 = global i64 add (i64 ptrtoint (i1* @B to i64), i64 -1)
+@T3 = global i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 -1)
+
+; CHECK: @T4 = global i1* @B
+@T4 = global i1* inttoptr (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64) to i1*)
+
+; CHECK: @T5 = global i1* @A
+@T5 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 128) to i64)) to i1*)
\ No newline at end of file
diff --git a/test/Transforms/ConstProp/loads.ll b/test/Transforms/ConstProp/loads.ll
new file mode 100644
index 000000000000..f3e7f6a4b7bc
--- /dev/null
+++ b/test/Transforms/ConstProp/loads.ll
@@ -0,0 +1,89 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s 
+
+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"
+
+@test1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
+@test2 = constant double 1.0
+@test3 = constant {i64, i64} { i64 123, i64 112312312 }
+
+; Simple load
+define i32 @test1() {
+  %r = load i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0)
+  ret i32 %r
+; @test1
+; CHECK: ret i32 -559038737
+}
+
+; PR3152
+; Load of first 16 bits of 32-bit value.
+define i16 @test2() {
+  %r = load i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*)
+  ret i16 %r
+
+; @test2
+; CHECK: ret i16 -16657 
+}
+
+; Load of second 16 bits of 32-bit value.
+define i16 @test3() {
+  %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 1)
+  ret i16 %r
+
+; @test3
+; CHECK: ret i16 -8531
+}
+
+; Load of 8 bit field + tail padding.
+define i16 @test4() {
+  %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 2)
+  ret i16 %r
+; @test4
+; CHECK: ret i16 186
+}
+
+; Load of double bits.
+define i64 @test6() {
+  %r = load i64* bitcast(double* @test2 to i64*)
+  ret i64 %r
+
+; @test6
+; CHECK: ret i64 4607182418800017408
+}
+
+; Load of double bits.
+define i16 @test7() {
+  %r = load i16* bitcast(double* @test2 to i16*)
+  ret i16 %r
+
+; @test7
+; CHECK: ret i16 0
+}
+
+; Double load.
+define double @test8() {
+  %r = load double* bitcast({{i32,i8},i32}* @test1 to double*)
+  ret double %r
+
+; @test8
+; CHECK: ret double 0xDEADBEBA
+}
+
+
+; i128 load.
+define i128 @test9() {
+  %r = load i128* bitcast({i64, i64}* @test3 to i128*)
+  ret i128 %r
+
+; @test9
+; CHECK: ret i128 112312312
+}
+
+; vector load.
+define <2 x i64> @test10() {
+  %r = load <2 x i64>* bitcast({i64, i64}* @test3 to <2 x i64>*)
+  ret <2 x i64> %r
+
+; @test10
+; CHECK: ret <2 x i64> <i64 112312312, i64 0>
+}
+