101 lines
3.1 KiB
LLVM
101 lines
3.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -p argpromotion -S %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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@f = dso_local global { i16, i64 } { i16 1, i64 0 }, align 8
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; Test case for https://github.com/llvm/llvm-project/issues/84807.
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; Make sure the loads from @callee are not moved to @caller, as the store
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; in %then may aliases to load from %q.
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define i32 @caller1(i1 %c) {
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; CHECK-LABEL: define i32 @caller1(
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; CHECK-SAME: i1 [[C:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @callee1(ptr noundef nonnull @f, i1 [[C]])
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; CHECK-NEXT: ret i32 0
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;
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entry:
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call void @callee1(ptr noundef nonnull @f, i1 %c)
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ret i32 0
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}
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define internal void @callee1(ptr nocapture noundef readonly %q, i1 %c) {
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; CHECK-LABEL: define internal void @callee1(
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; CHECK-SAME: ptr nocapture noundef readonly [[Q:%.*]], i1 [[C:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[EXIT:%.*]]
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; CHECK: then:
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; CHECK-NEXT: store i16 123, ptr @f, align 8
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[Q_0_VAL:%.*]] = load i16, ptr [[Q]], align 8
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; CHECK-NEXT: [[GEP_8:%.*]] = getelementptr inbounds i8, ptr [[Q]], i64 8
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; CHECK-NEXT: [[Q_8_VAL:%.*]] = load i64, ptr [[GEP_8]], align 8
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; CHECK-NEXT: call void @use(i16 [[Q_0_VAL]], i64 [[Q_8_VAL]])
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; CHECK-NEXT: ret void
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;
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entry:
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br i1 %c, label %then, label %exit
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then:
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store i16 123, ptr @f, align 8
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br label %exit
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exit:
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%l.0 = load i16, ptr %q, align 8
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%gep.8 = getelementptr inbounds i8, ptr %q, i64 8
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%l.1 = load i64, ptr %gep.8, align 8
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call void @use(i16 %l.0, i64 %l.1)
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ret void
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uselistorder ptr %q, { 1, 0 }
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}
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; Same as @caller1/callee2, but with default uselist order.
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define i32 @caller2(i1 %c) {
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; CHECK-LABEL: define i32 @caller2(
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; CHECK-SAME: i1 [[C:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @callee2(ptr noundef nonnull @f, i1 [[C]])
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; CHECK-NEXT: ret i32 0
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;
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entry:
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call void @callee2(ptr noundef nonnull @f, i1 %c)
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ret i32 0
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}
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define internal void @callee2(ptr nocapture noundef readonly %q, i1 %c) {
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; CHECK-LABEL: define internal void @callee2(
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; CHECK-SAME: ptr nocapture noundef readonly [[Q:%.*]], i1 [[C:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[EXIT:%.*]]
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; CHECK: then:
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; CHECK-NEXT: store i16 123, ptr @f, align 8
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[Q_0_VAL:%.*]] = load i16, ptr [[Q]], align 8
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; CHECK-NEXT: [[GEP_8:%.*]] = getelementptr inbounds i8, ptr [[Q]], i64 8
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; CHECK-NEXT: [[Q_8_VAL:%.*]] = load i64, ptr [[GEP_8]], align 8
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; CHECK-NEXT: call void @use(i16 [[Q_0_VAL]], i64 [[Q_8_VAL]])
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; CHECK-NEXT: ret void
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;
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entry:
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br i1 %c, label %then, label %exit
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then:
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store i16 123, ptr @f, align 8
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br label %exit
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exit:
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%l.0 = load i16, ptr %q, align 8
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%gep.8 = getelementptr inbounds i8, ptr %q, i64 8
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%l.1 = load i64, ptr %gep.8, align 8
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call void @use(i16 %l.0, i64 %l.1)
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ret void
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}
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declare void @use(i16, i64)
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