diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/zext-logicop-shift-load.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/zext-logicop-shift-load.ll | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/X86/zext-logicop-shift-load.ll b/llvm/test/CodeGen/X86/zext-logicop-shift-load.ll index 40d72243dea..5b8198f009d 100644 --- a/llvm/test/CodeGen/X86/zext-logicop-shift-load.ll +++ b/llvm/test/CodeGen/X86/zext-logicop-shift-load.ll @@ -2,11 +2,13 @@ ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s +; FIXME: masked extend should be folded into and. define i64 @test1(i8* %data) { ; CHECK-LABEL: test1: ; CHECK: # %bb.0: # %entry -; CHECK-NEXT: movzbl (%rdi), %eax -; CHECK-NEXT: shlq $2, %rax +; CHECK-NEXT: movb (%rdi), %al +; CHECK-NEXT: shlb $2, %al +; CHECK-NEXT: movzbl %al, %eax ; CHECK-NEXT: andl $60, %eax ; CHECK-NEXT: retq entry: @@ -17,12 +19,15 @@ entry: ret i64 %mul } +; FIXME: masked extend should be folded into and. define i8* @test2(i8* %data) { ; CHECK-LABEL: test2: ; CHECK: # %bb.0: # %entry -; CHECK-NEXT: movzbl (%rdi), %eax -; CHECK-NEXT: andl $15, %eax -; CHECK-NEXT: leaq (%rdi,%rax,4), %rax +; CHECK-NEXT: movb (%rdi), %al +; CHECK-NEXT: shlb $2, %al +; CHECK-NEXT: movzbl %al, %eax +; CHECK-NEXT: andl $60, %eax +; CHECK-NEXT: addq %rdi, %rax ; CHECK-NEXT: retq entry: %bf.load = load i8, i8* %data, align 4 |
