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; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
; CHECK-DAG: OpExtension "SPV_KHR_no_integer_wrap_decoration"
; CHECK-NOT: DAG-FENCE
; CHECK-DAG: OpName %[[#NO_WRAP_TEST:]] "no_wrap_test"
; CHECK-DAG: OpName %[[#A:]] "a"
; CHECK-DAG: OpName %[[#B:]] "b"
; CHECK-DAG: OpName %[[#C:]] "c"
; CHECK-DAG: OpName %[[#D:]] "d"
; CHECK-DAG: OpName %[[#E:]] "e"
; CHECK-NOT: DAG-FENCE
; CHECK-DAG: OpDecorate %[[#C]] NoUnsignedWrap
; CHECK-DAG: OpDecorate %[[#D]] NoSignedWrap
; CHECK-DAG: OpDecorate %[[#E]] NoUnsignedWrap
; CHECK-DAG: OpDecorate %[[#E]] NoSignedWrap
; CHECK-NOT: DAG-FENCE
; CHECK-DAG: %[[#I32:]] = OpTypeInt 32
; CHECK-DAG: %[[#FN:]] = OpTypeFunction %[[#I32]] %[[#I32]] %[[#I32]]
; CHECK-NOT: DAG-FENCE
define i32 @no_wrap_test(i32 %a, i32 %b) {
%c = mul nuw i32 %a, %b
%d = mul nsw i32 %a, %b
%e = add nuw nsw i32 %c, %d
ret i32 %e
}
; CHECK: %[[#NO_WRAP_TEST]] = OpFunction %[[#I32]] None %[[#FN]]
; CHECK-NEXT: %[[#A]] = OpFunctionParameter %[[#I32]]
; CHECK-NEXT: %[[#B]] = OpFunctionParameter %[[#I32]]
; CHECK: OpLabel
; CHECK: %[[#C]] = OpIMul %[[#I32]] %[[#A]] %[[#B]]
; CHECK: %[[#D]] = OpIMul %[[#I32]] %[[#A]] %[[#B]]
; CHECK: %[[#E]] = OpIAdd %[[#I32]] %[[#C]] %[[#D]]
; CHECK: OpReturnValue %[[#E]]
; CHECK-NEXT: OpFunctionEnd
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