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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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74
external/llvm/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll vendored Normal file
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; RUN: opt -codegenprepare -S < %s | FileCheck %s
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"
target triple = "x86_64-apple-darwin10.0.0"
; CHECK-LABEL: @test1(
; CHECK: llvm.uadd.with.overflow
; CHECK: ret i64
define i64 @test1(i64 %a, i64 %b) nounwind ssp {
entry:
%add = add i64 %b, %a
%cmp = icmp ult i64 %add, %a
%Q = select i1 %cmp, i64 %b, i64 42
ret i64 %Q
}
; CHECK-LABEL: @test2(
; CHECK: llvm.uadd.with.overflow
; CHECK: ret i64
define i64 @test2(i64 %a, i64 %b) nounwind ssp {
entry:
%add = add i64 %b, %a
%cmp = icmp ult i64 %add, %b
%Q = select i1 %cmp, i64 %b, i64 42
ret i64 %Q
}
; CHECK-LABEL: @test3(
; CHECK: llvm.uadd.with.overflow
; CHECK: ret i64
define i64 @test3(i64 %a, i64 %b) nounwind ssp {
entry:
%add = add i64 %b, %a
%cmp = icmp ugt i64 %b, %add
%Q = select i1 %cmp, i64 %b, i64 42
ret i64 %Q
}
; CHECK-LABEL: @test4(
; CHECK: llvm.uadd.with.overflow
; CHECK: extractvalue
; CHECK: extractvalue
; CHECK: select
define i64 @test4(i64 %a, i64 %b, i1 %c) nounwind ssp {
entry:
%add = add i64 %b, %a
%cmp = icmp ugt i64 %b, %add
br i1 %c, label %next, label %exit
next:
%Q = select i1 %cmp, i64 %b, i64 42
ret i64 %Q
exit:
ret i64 0
}
; CHECK-LABEL: @test5(
; CHECK-NOT: llvm.uadd.with.overflow
; CHECK: next
define i64 @test5(i64 %a, i64 %b, i64* %ptr, i1 %c) nounwind ssp {
entry:
%add = add i64 %b, %a
store i64 %add, i64* %ptr
%cmp = icmp ugt i64 %b, %add
br i1 %c, label %next, label %exit
next:
%Q = select i1 %cmp, i64 %b, i64 42
ret i64 %Q
exit:
ret i64 0
}