llvm-project/llvm/test/CodeGen/ARM/thumb2-it-block.ll

27 lines
706 B
LLVM

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv8 %s -o - | FileCheck %s
; PR11107
define i32 @test(i32 %a, i32 %b) {
entry:
%cmp1 = icmp slt i32 %a, 0
%sub1 = sub nsw i32 0, %a
%abs1 = select i1 %cmp1, i32 %sub1, i32 %a
%cmp2 = icmp slt i32 %b, 0
%sub2 = sub nsw i32 0, %b
%abs2 = select i1 %cmp2, i32 %sub2, i32 %b
%add = add nsw i32 %abs1, %abs2
ret i32 %add
}
; CHECK: cmp
; CHECK-NEXT: it mi
; We shouldn't need to check for the extra 's' here; tRSB should be printed as
; "rsb" inside an IT block, not "rsbs".
; CHECK-NEXT: rsb{{s?}}mi
; CHECK-NEXT: cmp
; CHECK-NEXT: it mi
; CHECK-NEXT: rsb{{s?}}mi