79 lines
1.8 KiB
LLVM
79 lines
1.8 KiB
LLVM
; RUN: opt -codegenprepare -S < %s | FileCheck %s
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; RUN: opt -enable-debugify -codegenprepare -S < %s 2>&1 | FileCheck %s -check-prefix=DEBUG
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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; CHECK-LABEL: @test1(
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; CHECK: llvm.uadd.with.overflow
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; CHECK: ret i64
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define i64 @test1(i64 %a, i64 %b) nounwind ssp {
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entry:
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%add = add i64 %b, %a
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%cmp = icmp ult i64 %add, %a
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%Q = select i1 %cmp, i64 %b, i64 42
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ret i64 %Q
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}
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; CHECK-LABEL: @test2(
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; CHECK: llvm.uadd.with.overflow
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; CHECK: ret i64
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define i64 @test2(i64 %a, i64 %b) nounwind ssp {
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entry:
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%add = add i64 %b, %a
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%cmp = icmp ult i64 %add, %b
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%Q = select i1 %cmp, i64 %b, i64 42
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ret i64 %Q
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}
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; CHECK-LABEL: @test3(
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; CHECK: llvm.uadd.with.overflow
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; CHECK: ret i64
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define i64 @test3(i64 %a, i64 %b) nounwind ssp {
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entry:
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%add = add i64 %b, %a
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%cmp = icmp ugt i64 %b, %add
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%Q = select i1 %cmp, i64 %b, i64 42
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ret i64 %Q
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}
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; CHECK-LABEL: @test4(
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; CHECK: llvm.uadd.with.overflow
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; CHECK: extractvalue
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; CHECK: extractvalue
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; CHECK: select
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define i64 @test4(i64 %a, i64 %b, i1 %c) nounwind ssp {
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entry:
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%add = add i64 %b, %a
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%cmp = icmp ugt i64 %b, %add
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br i1 %c, label %next, label %exit
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next:
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%Q = select i1 %cmp, i64 %b, i64 42
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ret i64 %Q
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exit:
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ret i64 0
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}
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; CHECK-LABEL: @test5(
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; CHECK-NOT: llvm.uadd.with.overflow
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; CHECK: next
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define i64 @test5(i64 %a, i64 %b, i64* %ptr, i1 %c) nounwind ssp {
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entry:
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%add = add i64 %b, %a
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store i64 %add, i64* %ptr
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%cmp = icmp ugt i64 %b, %add
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br i1 %c, label %next, label %exit
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next:
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%Q = select i1 %cmp, i64 %b, i64 42
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ret i64 %Q
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exit:
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ret i64 0
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}
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; Check that every instruction inserted by -codegenprepare has a debug location.
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; DEBUG: CheckModuleDebugify: PASS
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