forked from OSchip/llvm-project
41 lines
1.1 KiB
LLVM
41 lines
1.1 KiB
LLVM
; RUN: opt < %s -sccp -S | FileCheck %s
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define i32 @test1(i1 %C) {
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; CHECK-LABEL: define i32 @test1(
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; CHECK-NEXT: ret i32 0
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;
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%X = select i1 %C, i32 0, i32 0 ; <i32> [#uses=1]
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ret i32 %X
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}
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define i32 @test2(i1 %C) {
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; CHECK-LABEL: define i32 @test2(
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; CHECK-NEXT: ret i32 0
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;
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%X = select i1 %C, i32 0, i32 undef ; <i32> [#uses=1]
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ret i32 %X
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}
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define i1 @f2(i32 %x, i1 %cmp) {
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; CHECK-LABEL: define i1 @f2(i32 %x, i1 %cmp) {
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; CHECK-NEXT: %sel.1 = select i1 %cmp, i32 %x, i32 10
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; CHECK-NEXT: %c.1 = icmp sgt i32 %sel.1, 300
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; CHECK-NEXT: %c.2 = icmp sgt i32 %sel.1, 100
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; CHECK-NEXT: %c.3 = icmp eq i32 %sel.1, 50
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; CHECK-NEXT: %c.4 = icmp slt i32 %sel.1, 9
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; CHECK-NEXT: %res.1 = add i1 %c.1, %c.2
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; CHECK-NEXT: %res.2 = add i1 %res.1, %c.3
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; CHECK-NEXT: %res.3 = add i1 %res.2, %c.4
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; CHECK-NEXT: ret i1 %res.3
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;
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%sel.1 = select i1 %cmp, i32 %x, i32 10
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%c.1 = icmp sgt i32 %sel.1, 300
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%c.2 = icmp sgt i32 %sel.1, 100
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%c.3 = icmp eq i32 %sel.1, 50
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%c.4 = icmp slt i32 %sel.1, 9
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%res.1 = add i1 %c.1, %c.2
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%res.2 = add i1 %res.1, %c.3
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%res.3 = add i1 %res.2, %c.4
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ret i1 %res.3
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}
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