40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s
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void *__attribute__((alloc_align(1))) alloc(int align);
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// CHECK-LABEL: @t0(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4
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// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ALIGN_ADDR]], align 4
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// CHECK-NEXT: [[CALL:%.*]] = call i8* @alloc(i32 [[TMP0]])
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// CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[CALL]], i64 [[TMP1]]) ]
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// CHECK-NEXT: ret void
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//
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void t0(int align) {
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alloc(align);
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}
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// CHECK-LABEL: @t1(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4
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// CHECK-NEXT: [[CALL:%.*]] = call i8* @alloc(i32 7)
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[CALL]], i64 7) ]
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// CHECK-NEXT: ret void
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//
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void t1(int align) {
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alloc(7);
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}
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// CHECK-LABEL: @t2(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4
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// CHECK-NEXT: [[CALL:%.*]] = call align 8 i8* @alloc(i32 8)
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// CHECK-NEXT: ret void
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//
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void t2(int align) {
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alloc(8);
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}
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