66 lines
1.4 KiB
LLVM
66 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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define i32 @select1(i32 %x, i1 %b) {
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; CHECK-LABEL: @select1(
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; CHECK: ret i32 0
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;
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%rhs = select i1 %b, i32 %x, i32 1
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%rem = srem i32 %x, %rhs
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ret i32 %rem
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}
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define i32 @select2(i32 %x, i1 %b) {
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; CHECK-LABEL: @select2(
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; CHECK: ret i32 0
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;
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%rhs = select i1 %b, i32 %x, i32 1
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%rem = urem i32 %x, %rhs
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ret i32 %rem
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}
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define i32 @rem1(i32 %x, i32 %n) {
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; CHECK-LABEL: @rem1(
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; CHECK: [[MOD:%.*]] = srem i32 %x, %n
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; CHECK-NEXT: ret i32 [[MOD]]
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;
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%mod = srem i32 %x, %n
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%mod1 = srem i32 %mod, %n
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ret i32 %mod1
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}
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define i32 @rem2(i32 %x, i32 %n) {
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; CHECK-LABEL: @rem2(
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; CHECK: [[MOD:%.*]] = urem i32 %x, %n
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; CHECK-NEXT: ret i32 [[MOD]]
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;
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%mod = urem i32 %x, %n
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%mod1 = urem i32 %mod, %n
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ret i32 %mod1
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}
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define i32 @rem3(i32 %x, i32 %n) {
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; CHECK-LABEL: @rem3(
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; CHECK: [[MOD:%.*]] = srem i32 %x, %n
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; CHECK-NEXT: [[MOD1:%.*]] = urem i32 [[MOD]], %n
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; CHECK-NEXT: ret i32 [[MOD1]]
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;
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%mod = srem i32 %x, %n
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%mod1 = urem i32 %mod, %n
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ret i32 %mod1
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}
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declare i32 @external()
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define i32 @rem4() {
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; CHECK-LABEL: @rem4(
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; CHECK: [[CALL:%.*]] = call i32 @external(), !range !0
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; CHECK-NEXT: ret i32 [[CALL]]
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;
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%call = call i32 @external(), !range !0
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%urem = urem i32 %call, 3
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ret i32 %urem
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}
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!0 = !{i32 0, i32 3}
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