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Fix volatile _Complex alignment test on platforms where 64-bit floating point isn't 64-bit aligned 

Add x86-64 triple, and check its datalayout. Also add some comments, and use the new CHECK-LABEL.

llvm-svn: 186564
This commit is contained in:
JF Bastien 2013-07-18 06:11:45 +00:00
parent 7d7036b8c6
commit 2a0a476e74
1 changed files with 14 additions and 6 deletions
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20
clang/test/CodeGen/volatile-complex.c
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@ -1,12 +1,20 @@
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// Validate that volatile _Complex loads and stores are generated
// properly, including their alignment (even when overaligned).
//
// This test assumes that floats are 32-bit aligned and doubles are
// 64-bit aligned, and uses x86-64 as a target that should have this
// datalayout.
// CHECK: target datalayout = "{{.*}}f32:32:32-f64:64:64{{.*}}"
volatile _Complex float cf;
volatile _Complex double cd;
volatile _Complex float cf32 __attribute__((aligned(32)));
volatile _Complex double cd32 __attribute__((aligned(32)));
// CHECK: define void @test_cf()
// CHECK-LABEL: define void @test_cf()
void test_cf() {
// CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
// CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
@ -19,7 +27,7 @@ void test_cf() {
// CHECK-NEXT: ret void
}
// CHECK: define void @test_cd()
// CHECK-LABEL: define void @test_cd()
void test_cd() {
// CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
// CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
@ -32,7 +40,7 @@ void test_cd() {
// CHECK-NEXT: ret void
}
// CHECK: define void @test_cf32()
// CHECK-LABEL: define void @test_cf32()
void test_cf32() {
// CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
// CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
@ -45,7 +53,7 @@ void test_cf32() {
// CHECK-NEXT: ret void
}
// CHECK: define void @test_cd32()
// CHECK-LABEL: define void @test_cd32()
void test_cd32() {
// CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
// CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8