| 1 | // RUN: %clang_cc1 -triple aarch64_be-linux-gnu -ffreestanding -emit-llvm -O0 -o - %s | FileCheck %s |
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| 2 | |
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| 3 | #include <stdarg.h> |
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| 4 | |
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| 5 | // A single member HFA must be aligned just like a non-HFA register argument. |
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| 6 | double callee(int a, ...) { |
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| 7 | // CHECK: [[REGPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 2 |
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| 8 | // CHECK: [[REGP:%.*]] = load i8*, i8** [[REGPP]], align 8 |
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| 9 | // CHECK: [[OFFSET0:%.*]] = getelementptr inbounds i8, i8* [[REGP]], i32 {{.*}} |
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| 10 | // CHECK: [[OFFSET1:%.*]] = getelementptr inbounds i8, i8* [[OFFSET0]], i64 8 |
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| 11 | |
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| 12 | // CHECK: [[MEMPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 0 |
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| 13 | // CHECK: [[MEMP:%.*]] = load i8*, i8** [[MEMPP]], align 8 |
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| 14 | // CHECK: [[NEXTP:%.*]] = getelementptr inbounds i8, i8* [[MEMP]], i64 8 |
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| 15 | // CHECK: store i8* [[NEXTP]], i8** [[MEMPP]], align 8 |
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| 16 | va_list vl; |
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| 17 | va_start(vl, a); |
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| 18 | double result = va_arg(vl, struct { double a; }).a; |
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| 19 | va_end(vl); |
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| 20 | return result; |
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| 21 | } |
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| 22 | |
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