35 lines
1.2 KiB
LLVM
35 lines
1.2 KiB
LLVM
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; RUN: llc < %s -mtriple=thumb-eabi | FileCheck %s --check-prefixes CHECK,CHECK-LITTLE
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; RUN: llc < %s -mtriple=thumbeb-eabi | FileCheck %s --check-prefixes CHECK,CHECK-BIG
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define i1 @umulo32(i32 %l, i32 %r) unnamed_addr #0 {
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; CHECK-LABEL: umulo32:
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; CHECK: @ %bb.0: @ %start
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; CHECK-NEXT: .save {r7, lr}
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; CHECK-NEXT: push {r7, lr}
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; CHECK-LITTLE-NEXT: movs r2, r1
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; CHECK-LITTLE-NEXT: movs r1, #0
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; CHECK-NEXT: movs r3, r1
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; CHECK-BIG-NEXT: movs r1, r0
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; CHECK-BIG-NEXT: movs r0, #0
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; CHECK-BIG-NEXT: movs r2, r0
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; CHECK-NEXT: bl __aeabi_lmul
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; CHECK-LITTLE-NEXT: movs r0, r1
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; CHECK-LITTLE-NEXT: subs r1, r1, #1
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; CHECK-BIG-NEXT: subs r1, r0, #1
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; CHECK-NEXT: sbcs r0, r1
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; CHECK-NEXT: pop {r7}
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; CHECK-NEXT: pop {r1}
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; CHECK-NEXT: bx r1
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start:
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%0 = tail call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %l, i32 %r) #2
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%1 = extractvalue { i32, i1 } %0, 1
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ret i1 %1
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}
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; Function Attrs: nounwind readnone speculatable
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declare { i32, i1 } @llvm.umul.with.overflow.i32(i32, i32) #1
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attributes #0 = { nounwind readnone uwtable }
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attributes #1 = { nounwind readnone speculatable }
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attributes #2 = { nounwind }
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