derek.holloway
7502bf64a4
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70 lines
2.1 KiB
LLVM
70 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
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; RUN: opt -S -passes=globalopt -o - < %s | FileCheck %s
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@g = internal addrspace(200) global ptr null, align 8
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;.
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; CHECK: @g.init = internal unnamed_addr addrspace(200) global i1 false
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;.
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define internal i32 @f1() {
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; CHECK-LABEL: define {{[^@]+}}@f1() unnamed_addr {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[G_INIT_VAL:%.*]] = load i1, ptr addrspace(200) @g.init, align 1
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; CHECK-NEXT: call fastcc void @f2()
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; CHECK-NEXT: [[NOTINIT:%.*]] = xor i1 [[G_INIT_VAL]], true
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; CHECK-NEXT: br i1 [[NOTINIT]], label [[BB2:%.*]], label [[BB3:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: br label [[BB4:%.*]]
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; CHECK: bb3:
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; CHECK-NEXT: br label [[BB4]]
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; CHECK: bb4:
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; CHECK-NEXT: [[I5:%.*]] = phi i32 [ -1, [[BB2]] ], [ 1, [[BB3]] ]
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; CHECK-NEXT: ret i32 [[I5]]
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;
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bb:
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%i = load ptr addrspace(200), ptr addrspace(200) @g, align 8
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call void @f2()
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%i1 = icmp eq ptr addrspace(200) %i, null
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br i1 %i1, label %bb2, label %bb3
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bb2: ; preds = %bb
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br label %bb4
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bb3: ; preds = %bb
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br label %bb4
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bb4: ; preds = %bb3, %bb2
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%i5 = phi i32 [ -1, %bb2 ], [ 1, %bb3 ]
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ret i32 %i5
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}
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define internal void @f2() {
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; CHECK-LABEL: define {{[^@]+}}@f2() unnamed_addr {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: store i1 true, ptr addrspace(200) @g.init, align 1
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; CHECK-NEXT: ret void
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;
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bb:
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%i = call noalias ptr @malloc(i64 4)
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store ptr %i, ptr addrspace(200) @g, align 8
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ret void
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}
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define dso_local i32 @main() {
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; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: store i1 false, ptr addrspace(200) @g.init, align 1
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; CHECK-NEXT: [[I:%.*]] = call fastcc i32 @f1()
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; CHECK-NEXT: ret i32 [[I]]
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;
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bb:
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store ptr null, ptr addrspace(200) @g, align 8
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%i = call i32 @f1()
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ret i32 %i
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}
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; Function Attrs: allockind("alloc,uninitialized") allocsize(0)
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declare dso_local noalias ptr @malloc(i64) #0
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attributes #0 = { allockind("alloc,uninitialized") allocsize(0) }
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