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94473f4db6
Generate nuw GEPs for struct member accesses, as inbounds + non-negative implies nuw. Regression tests are updated using update scripts where possible, and by find + replace where not.
164 lines
5.4 KiB
C++
164 lines
5.4 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
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typedef double * __attribute__((align_value(64))) aligned_double;
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// CHECK-LABEL: @_Z3fooPdS_Rd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: [[Y_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: [[Z_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: store ptr [[Y:%.*]], ptr [[Y_ADDR]], align 8
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// CHECK-NEXT: store ptr [[Z:%.*]], ptr [[Z_ADDR]], align 8
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// CHECK-NEXT: ret void
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//
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void foo(aligned_double x, double * y __attribute__((align_value(32))),
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double & z __attribute__((align_value(128)))) { };
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struct ad_struct {
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aligned_double a;
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};
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// CHECK-LABEL: @_Z3fooR9ad_struct(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_AD_STRUCT:%.*]], ptr [[TMP0]], i32 0, i32 0
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// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[A]], align 8
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
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// CHECK-NEXT: ret ptr [[TMP1]]
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//
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double *foo(ad_struct& x) {
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return x.a;
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}
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// CHECK-LABEL: @_Z3gooP9ad_struct(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_AD_STRUCT:%.*]], ptr [[TMP0]], i32 0, i32 0
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// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[A]], align 8
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
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// CHECK-NEXT: ret ptr [[TMP1]]
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//
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double *goo(ad_struct *x) {
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return x->a;
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}
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// CHECK-LABEL: @_Z3barPPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
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// CHECK-NEXT: ret ptr [[TMP1]]
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//
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double *bar(aligned_double *x) {
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return *x;
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}
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// CHECK-LABEL: @_Z3carRPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
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// CHECK-NEXT: ret ptr [[TMP1]]
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//
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double *car(aligned_double &x) {
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return x;
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}
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// CHECK-LABEL: @_Z3darPPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[TMP0]], i64 5
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// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[ARRAYIDX]], align 8
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
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// CHECK-NEXT: ret ptr [[TMP1]]
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//
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double *dar(aligned_double *x) {
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return x[5];
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}
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aligned_double eep();
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// CHECK-LABEL: @_Z3retv(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[CALL:%.*]] = call noundef ptr @_Z3eepv()
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[CALL]], i64 64) ]
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// CHECK-NEXT: ret ptr [[CALL]]
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//
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double *ret() {
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return eep();
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}
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// CHECK-LABEL: @_Z3no1PPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: ret ptr [[TMP0]]
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//
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double **no1(aligned_double *x) {
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return x;
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}
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// CHECK-LABEL: @_Z3no2RPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: ret ptr [[TMP0]]
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//
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double *&no2(aligned_double &x) {
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return x;
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}
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// CHECK-LABEL: @_Z3no3RPd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: ret ptr [[TMP0]]
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//
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double **no3(aligned_double &x) {
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return &x;
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}
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// CHECK-LABEL: @_Z3no3Pd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP1:%.*]] = load double, ptr [[TMP0]], align 8
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// CHECK-NEXT: ret double [[TMP1]]
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//
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double no3(aligned_double x) {
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return *x;
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}
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// CHECK-LABEL: @_Z3no4Pd(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// CHECK-NEXT: ret ptr [[TMP0]]
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//
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double *no4(aligned_double x) {
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return x;
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}
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