diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/2012-12-06-python27-miscompile.ll | 23 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/merge-consecutive-stores.ll | 35 |
2 files changed, 35 insertions, 23 deletions
diff --git a/llvm/test/CodeGen/X86/2012-12-06-python27-miscompile.ll b/llvm/test/CodeGen/X86/2012-12-06-python27-miscompile.ll deleted file mode 100644 index b80ae3ae2b7..00000000000 --- a/llvm/test/CodeGen/X86/2012-12-06-python27-miscompile.ll +++ /dev/null @@ -1,23 +0,0 @@ -; RUN: llc < %s -march=x86 -mcpu=corei7 -mtriple=i686-pc-win32 | 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-n8:16:32:64-S128" -target triple = "x86_64-apple-macosx10.8.0" - -; Make sure that we are zeroing one memory location at a time using xorl and -; not both using XMM registers. - -;CHECK: @foo -;CHECK: xorl -;CHECK-NOT: xmm -;CHECK: ret -define i32 @foo (i64* %so) nounwind uwtable ssp { -entry: - %used = getelementptr inbounds i64, i64* %so, i32 3 - store i64 0, i64* %used, align 8 - %fill = getelementptr inbounds i64, i64* %so, i32 2 - %L = load i64, i64* %fill, align 8 - store i64 0, i64* %fill, align 8 - %cmp28 = icmp sgt i64 %L, 0 - %R = sext i1 %cmp28 to i32 - ret i32 %R -} diff --git a/llvm/test/CodeGen/X86/merge-consecutive-stores.ll b/llvm/test/CodeGen/X86/merge-consecutive-stores.ll new file mode 100644 index 00000000000..80a5a6c3963 --- /dev/null +++ b/llvm/test/CodeGen/X86/merge-consecutive-stores.ll @@ -0,0 +1,35 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s + +; Make sure that we are zeroing one memory location at a time using xorl and +; not both using XMM registers. +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-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.8.0" + +define i32 @foo (i64* %so) nounwind uwtable ssp { +; CHECK-LABEL: foo: +; CHECK: # BB#0: +; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax +; CHECK-NEXT: movl $0, 28(%eax) +; CHECK-NEXT: movl $0, 24(%eax) +; CHECK-NEXT: movl 20(%eax), %ecx +; CHECK-NEXT: movl $0, 20(%eax) +; CHECK-NEXT: xorl %edx, %edx +; CHECK-NEXT: cmpl 16(%eax), %edx +; CHECK-NEXT: movl $0, 16(%eax) +; CHECK-NEXT: sbbl %ecx, %edx +; CHECK-NEXT: movl $-1, %eax +; CHECK-NEXT: jl .LBB0_2 +; CHECK-NEXT: # BB#1: +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: .LBB0_2: +; CHECK-NEXT: retl + %used = getelementptr inbounds i64, i64* %so, i32 3 + store i64 0, i64* %used, align 8 + %fill = getelementptr inbounds i64, i64* %so, i32 2 + %L = load i64, i64* %fill, align 8 + store i64 0, i64* %fill, align 8 + %cmp28 = icmp sgt i64 %L, 0 + %R = sext i1 %cmp28 to i32 + ret i32 %R +} |
