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https://github.com/RPCS3/llvm-mirror.git
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97957b2f53
Summary: In D62801, new function attribute `willreturn` was introduced. In short, a function with `willreturn` is guaranteed to come back to the call site(more precise definition is in LangRef). In this patch, willreturn is annotated for LLVM intrinsics. Reviewers: jdoerfert Reviewed By: jdoerfert Subscribers: jvesely, nhaehnle, sstefan1, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D64904 llvm-svn: 367184
74 lines
2.4 KiB
LLVM
74 lines
2.4 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis > %t1.ll
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; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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; RUN: diff %t1.ll %t2.ll
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; RUN: FileCheck %s < %t1.ll
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declare i1 @llvm.isunordered.f32(float, float)
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declare i1 @llvm.isunordered.f64(double, double)
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declare i8 @llvm.ctpop.i8(i8)
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declare i16 @llvm.ctpop.i16(i16)
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declare i32 @llvm.ctpop.i32(i32)
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declare i64 @llvm.ctpop.i64(i64)
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declare i8 @llvm.cttz.i8(i8, i1)
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declare i16 @llvm.cttz.i16(i16, i1)
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declare i32 @llvm.cttz.i32(i32, i1)
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declare i64 @llvm.cttz.i64(i64, i1)
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declare i8 @llvm.ctlz.i8(i8, i1)
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declare i16 @llvm.ctlz.i16(i16, i1)
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declare i32 @llvm.ctlz.i32(i32, i1)
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declare i64 @llvm.ctlz.i64(i64, i1)
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declare float @llvm.sqrt.f32(float)
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declare double @llvm.sqrt.f64(double)
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; Test llvm intrinsics
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;
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define void @libm() {
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fcmp uno float 1.000000e+00, 2.000000e+00 ; <i1>:1 [#uses=0]
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fcmp uno double 3.000000e+00, 4.000000e+00 ; <i1>:2 [#uses=0]
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call float @llvm.sqrt.f32( float 5.000000e+00 ) ; <float>:3 [#uses=0]
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call double @llvm.sqrt.f64( double 6.000000e+00 ) ; <double>:4 [#uses=0]
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call i8 @llvm.ctpop.i8( i8 10 ) ; <i32>:5 [#uses=0]
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call i16 @llvm.ctpop.i16( i16 11 ) ; <i32>:6 [#uses=0]
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call i32 @llvm.ctpop.i32( i32 12 ) ; <i32>:7 [#uses=0]
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call i64 @llvm.ctpop.i64( i64 13 ) ; <i32>:8 [#uses=0]
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call i8 @llvm.ctlz.i8( i8 14, i1 true ) ; <i32>:9 [#uses=0]
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call i16 @llvm.ctlz.i16( i16 15, i1 true ) ; <i32>:10 [#uses=0]
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call i32 @llvm.ctlz.i32( i32 16, i1 true ) ; <i32>:11 [#uses=0]
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call i64 @llvm.ctlz.i64( i64 17, i1 true ) ; <i32>:12 [#uses=0]
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call i8 @llvm.cttz.i8( i8 18, i1 true ) ; <i32>:13 [#uses=0]
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call i16 @llvm.cttz.i16( i16 19, i1 true ) ; <i32>:14 [#uses=0]
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call i32 @llvm.cttz.i32( i32 20, i1 true ) ; <i32>:15 [#uses=0]
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call i64 @llvm.cttz.i64( i64 21, i1 true ) ; <i32>:16 [#uses=0]
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ret void
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}
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; FIXME: test ALL the intrinsics in this file.
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; rdar://11542750
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; CHECK: declare void @llvm.trap() #1
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declare void @llvm.trap()
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define void @trap() {
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call void @llvm.trap()
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ret void
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}
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; CHECK: attributes #0 = { nounwind readnone speculatable willreturn }
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; CHECK: attributes #1 = { cold noreturn nounwind }
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