forked from OSchip/llvm-project
46 lines
1.6 KiB
LLVM
46 lines
1.6 KiB
LLVM
; RUN: opt -loop-load-elim -S %s | FileCheck %s
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; RUN: opt -passes=loop-load-elim -S %s | FileCheck %s
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; REQUIRES: asserts
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
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target triple = "x86_64-unknown-linux-gnu"
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; Make sure it does not crash with assert.
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define void @test() {
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; CHECK-LABEL: test
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bb:
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br label %bb1
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bb1: ; preds = %bb6, %bb1, %bb
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%tmp = phi i32 [ undef, %bb ], [ 0, %bb1 ], [ %tmp3, %bb6 ]
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br i1 undef, label %bb1, label %bb2
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bb2: ; preds = %bb1
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%tmp3 = add i32 %tmp, 1
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%tmp4 = icmp ult i32 %tmp, undef
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br i1 %tmp4, label %bb6, label %bb5
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bb5: ; preds = %bb2
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ret void
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bb6: ; preds = %bb2
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br i1 undef, label %bb7, label %bb1
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bb7: ; preds = %bb7, %bb6
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%tmp8 = phi i32 [ %tmp15, %bb7 ], [ %tmp3, %bb6 ]
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%tmp9 = phi i32 [ %tmp8, %bb7 ], [ %tmp, %bb6 ]
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%tmp10 = zext i32 %tmp9 to i64
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%tmp11 = getelementptr inbounds float, float addrspace(1)* null, i64 %tmp10
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%tmp12 = load float, float addrspace(1)* %tmp11, align 4
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%tmp13 = zext i32 %tmp8 to i64
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%tmp14 = getelementptr inbounds float, float addrspace(1)* null, i64 %tmp13
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store float 1.000000e+00, float addrspace(1)* %tmp14, align 4
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%tmp15 = add nuw nsw i32 %tmp8, 1
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%tmp16 = icmp sgt i32 %tmp8, 78
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br i1 %tmp16, label %bb17, label %bb7
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bb17: ; preds = %bb7
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unreachable
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}
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