41 lines
1.1 KiB
LLVM
41 lines
1.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
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; Make sure volatile and atomic loads are not promoted.
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define internal i32 @callee_volatile(ptr %p) {
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; CHECK-LABEL: @callee_volatile(
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; CHECK-NEXT: [[V:%.*]] = load volatile i32, ptr [[P:%.*]], align 4
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; CHECK-NEXT: ret i32 [[V]]
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;
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%v = load volatile i32, ptr %p
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ret i32 %v
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}
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define void @caller_volatile(ptr %p) {
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; CHECK-LABEL: @caller_volatile(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @callee_volatile(ptr [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call i32 @callee_volatile(ptr %p)
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ret void
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}
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define internal i32 @callee_atomic(ptr %p) {
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; CHECK-LABEL: @callee_atomic(
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; CHECK-NEXT: [[V:%.*]] = load atomic i32, ptr [[P:%.*]] seq_cst, align 4
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; CHECK-NEXT: ret i32 [[V]]
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;
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%v = load atomic i32, ptr %p seq_cst, align 4
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ret i32 %v
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}
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define void @caller_atomic(ptr %p) {
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; CHECK-LABEL: @caller_atomic(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @callee_atomic(ptr [[P:%.*]])
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; CHECK-NEXT: ret void
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;
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call i32 @callee_atomic(ptr %p)
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ret void
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}
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