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https://github.com/carbon-language/carbon-lang.git
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Farzana Ahmed SiddiqueandFarzana Ahmed Siddique
14f489dff1
The existing tuple index lowering was crashing while accessing the element from return value. This PR fixes the bug. Co-authored-by: Farzana Ahmed Siddique <fasiddique@google.com>
47 lines
2.3 KiB
Plaintext
47 lines
2.3 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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fn Run() -> i32 {
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var a: (i32, i32, i32) = (0, 1, 2);
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var b: i32 = a[0];
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var c: i32 = a[2];
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return 0;
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}
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// CHECK:STDOUT: ; ModuleID = 'tuple_element_access.carbon'
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// CHECK:STDOUT: source_filename = "tuple_element_access.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: %type = type {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i32 @Run() {
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// CHECK:STDOUT: %tuple = alloca { %type, %type, %type }, align 8
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// CHECK:STDOUT: %1 = getelementptr inbounds { %type, %type, %type }, ptr %tuple, i32 0, i32 0
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// CHECK:STDOUT: store %type zeroinitializer, ptr %1, align 1
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// CHECK:STDOUT: %2 = getelementptr inbounds { %type, %type, %type }, ptr %tuple, i32 0, i32 1
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// CHECK:STDOUT: store %type zeroinitializer, ptr %2, align 1
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// CHECK:STDOUT: %3 = getelementptr inbounds { %type, %type, %type }, ptr %tuple, i32 0, i32 2
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// CHECK:STDOUT: store %type zeroinitializer, ptr %3, align 1
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// CHECK:STDOUT: %var = alloca { i32, i32, i32 }, align 8
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// CHECK:STDOUT: %tuple1 = alloca { i32, i32, i32 }, align 8
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// CHECK:STDOUT: %4 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple1, i32 0, i32 0
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// CHECK:STDOUT: store i32 0, ptr %4, align 4
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// CHECK:STDOUT: %5 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple1, i32 0, i32 1
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// CHECK:STDOUT: store i32 1, ptr %5, align 4
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// CHECK:STDOUT: %6 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple1, i32 0, i32 2
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// CHECK:STDOUT: store i32 2, ptr %6, align 4
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// CHECK:STDOUT: %7 = load { i32, i32, i32 }, ptr %tuple1, align 4
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// CHECK:STDOUT: store { i32, i32, i32 } %7, ptr %var, align 4
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// CHECK:STDOUT: %var2 = alloca i32, align 4
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// CHECK:STDOUT: %tuple.index = getelementptr inbounds { i32, i32, i32 }, ptr %var, i32 0, i32 0
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// CHECK:STDOUT: %8 = load i32, ptr %tuple.index, align 4
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// CHECK:STDOUT: store i32 %8, ptr %var2, align 4
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// CHECK:STDOUT: %var3 = alloca i32, align 4
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// CHECK:STDOUT: %tuple.index4 = getelementptr inbounds { i32, i32, i32 }, ptr %var, i32 0, i32 2
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// CHECK:STDOUT: %9 = load i32, ptr %tuple.index4, align 4
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// CHECK:STDOUT: store i32 %9, ptr %var3, align 4
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// CHECK:STDOUT: ret i32 0
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// CHECK:STDOUT: }
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