diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/fold-and-shift.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fold-and-shift.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fold-and-shift.ll b/llvm/test/CodeGen/X86/fold-and-shift.ll index a434c1f9c1d..93b8bbd3080 100644 --- a/llvm/test/CodeGen/X86/fold-and-shift.ll +++ b/llvm/test/CodeGen/X86/fold-and-shift.ll @@ -89,3 +89,37 @@ entry: %sum.2 = add i32 %sum.1, %index ret i32 %sum.2 } + +define i8 @t5(i8* %X, i32 %i) { +; CHECK-LABEL: t5: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax +; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx +; CHECK-NEXT: andl $1073741810, %ecx # imm = 0x3FFFFFF2 +; CHECK-NEXT: movb (%eax,%ecx,4), %al +; CHECK-NEXT: retl + +entry: + %tmp2 = shl i32 %i, 2 + %tmp4 = and i32 %tmp2, -56 + %tmp7 = getelementptr i8, i8* %X, i32 %tmp4 + %tmp9 = load i8, i8* %tmp7 + ret i8 %tmp9 +} + +define i8 @t6(i8* %X, i32 %i) { +; CHECK-LABEL: t6: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax +; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx +; CHECK-NEXT: andl $1073741569, %ecx # imm = 0x3FFFFF01 +; CHECK-NEXT: movb (%eax,%ecx,4), %al +; CHECK-NEXT: retl + +entry: + %tmp2 = shl i32 %i, 2 + %tmp4 = and i32 %tmp2, -1020 + %tmp7 = getelementptr i8, i8* %X, i32 %tmp4 + %tmp9 = load i8, i8* %tmp7 + ret i8 %tmp9 +} |
