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89 lines
2.1 KiB
LLVM
89 lines
2.1 KiB
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@G = external global i32
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define void @test0(i64* %arg) {
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bb:
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br label %bb2
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bb2:
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%tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
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%tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* null)
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%tmp5 = load i32, i32* %tmp4, align 8
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%tmp7 = load i64*, i64** undef, align 8
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br label %bb2
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}
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; CHECK-LABEL: void @test0
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; CHECK: load i32, i32* null
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define void @test1(i64* %arg) {
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bb:
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br label %bb2
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bb2:
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%tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
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%tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* inttoptr (i64 4 to i32*))
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%tmp5 = load i32, i32* %tmp4
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%tmp7 = load i64*, i64** undef, align 8
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br label %bb2
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}
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; CHECK-LABEL: void @test1
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; CHECK: load i32, i32* inttoptr (i64 4 to i32*)
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define void @test2(i64* %arg) {
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bb:
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br label %bb2
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bb2:
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%tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
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%tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* @G)
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%tmp5 = load i32, i32* %tmp4
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%tmp7 = load i64*, i64** undef, align 8
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br label %bb2
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}
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; CHECK-LABEL: void @test2
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; CHECK: load i32, i32* @G
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define void @test3(i64* %arg, i32* %loop.invariant) {
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bb:
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br label %bb2
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bb2:
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%tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
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%tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* %loop.invariant)
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%tmp5 = load i32, i32* %tmp4
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%tmp7 = load i64*, i64** undef, align 8
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br label %bb2
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}
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; CHECK-LABEL: void @test3
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; CHECK: load i32, i32* %loop.invariant
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define void @test4(i64* %arg, i32* %loop.invariant, i64 %N) {
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bb:
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br label %bb2
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bb2:
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%tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
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%mul = mul nsw i64 %N, 64
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%ptr = getelementptr inbounds i32, i32* %loop.invariant, i64 %mul
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%tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* %ptr)
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%tmp5 = load i32, i32* %tmp4
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%tmp7 = load i64*, i64** undef, align 8
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br label %bb2
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}
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; CHECK-LABEL: void @test4
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; CHECK: [[P:%[a-zA-Z$._0-9]+]] = getelementptr i32, i32* %loop.invariant
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; CHECK: phi
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; CHECK: load i32, i32* [[P]]
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declare i32* @wobble(i64*, i32* returned)
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