68 lines
3.9 KiB
C
68 lines
3.9 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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// Validate that volatile _Complex loads and stores are generated
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// properly, including their alignment (even when overaligned).
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//
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// This test assumes that floats are 32-bit aligned and doubles are
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// 64-bit aligned, and uses x86-64 as a target that should have this
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// datalayout.
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// CHECK: target datalayout = "{{.*}}f32:32:32-f64:64:64{{.*}}"
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volatile _Complex float cf;
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volatile _Complex double cd;
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volatile _Complex float cf32 __attribute__((aligned(32)));
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volatile _Complex double cd32 __attribute__((aligned(32)));
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// CHECK-LABEL-LABEL: define void @test_cf()
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void test_cf() {
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// CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
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// CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
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(void)(cf);
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// CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
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// CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
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// CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
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// CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
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(void)(cf=cf);
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL-LABEL: define void @test_cd()
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void test_cd() {
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// CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
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// CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
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(void)(cd);
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// CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
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// CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
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// CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
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// CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
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(void)(cd=cd);
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL-LABEL: define void @test_cf32()
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void test_cf32() {
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// CHECK: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
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// CHECK-NEXT: load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
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(void)(cf32);
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// CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
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// CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
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// CHECK-NEXT: store volatile float [[R]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
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// CHECK-NEXT: store volatile float [[I]], float* getelementptr inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
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(void)(cf32=cf32);
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL-LABEL: define void @test_cd32()
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void test_cd32() {
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// CHECK: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
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// CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
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(void)(cd32);
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// CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
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// CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
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// CHECK-NEXT: store volatile double [[R]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
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// CHECK-NEXT: store volatile double [[I]], double* getelementptr inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
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(void)(cd32=cd32);
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// CHECK-NEXT: ret void
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}
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