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48 lines
1.5 KiB
48 lines
1.5 KiB
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -S -debugify -codegenprepare < %s | FileCheck %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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@x = external global [1 x [2 x <4 x float>]]
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declare void @foo(i32)
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declare void @slowpath(i32, i32*)
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; Is DI maintained after sinking bitcast?
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define void @test(i1 %cond, i64* %base) {
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; CHECK-LABEL: @test
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entry:
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%addr = getelementptr inbounds i64, i64* %base, i64 5
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%casted = bitcast i64* %addr to i32*
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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; CHECK-LABEL: if.then:
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; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc:[0-9]+]]
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%v1 = load i32, i32* %casted, align 4
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call void @foo(i32 %v1)
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%cmp = icmp eq i32 %v1, 0
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br i1 %cmp, label %rare.1, label %fallthrough
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fallthrough:
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ret void
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rare.1:
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; CHECK-LABEL: rare.1:
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; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc]]
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call void @slowpath(i32 %v1, i32* %casted) ;; NOT COLD
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br label %fallthrough
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}
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; Is DI maitained when a GEP with all zero indices gets converted to bitcast?
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define void @test2() {
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; CHECK-LABEL: @test2
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load.i145:
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; CHECK: bitcast [1 x [2 x <4 x float>]]* @x to [2 x <4 x float>]*, !dbg ![[castLoc2:[0-9]+]]
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%x_offset = getelementptr [1 x [2 x <4 x float>]], [1 x [2 x <4 x float>]]* @x, i32 0, i64 0
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ret void
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}
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; CHECK: ![[castLoc]] = !DILocation(line: 2
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; CHECK: ![[castLoc2]] = !DILocation(line: 11 |