mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Richard Smith
1ac7002bf6
Trust semantics to have put them in the right places. Many parts of lowering still need to be updated to use the value representation chosen at the semantics layer, but this is an incremental step towards that.
30 lines
1019 B
Plaintext
30 lines
1019 B
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 F(p: i32**) -> i32 {
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var a: i32** = p;
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var b: i32* = *p;
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var c: i32** = &b;
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return **c;
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}
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// CHECK:STDOUT: ; ModuleID = 'pointer_to_pointer.carbon'
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// CHECK:STDOUT: source_filename = "pointer_to_pointer.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i32 @F(ptr %p) {
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// CHECK:STDOUT: %a = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %p, ptr %a, align 8
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// CHECK:STDOUT: %b = alloca ptr, align 8
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// CHECK:STDOUT: %1 = load ptr, ptr %p, align 8
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// CHECK:STDOUT: store ptr %1, ptr %b, align 8
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// CHECK:STDOUT: %c = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %b, ptr %c, align 8
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// CHECK:STDOUT: %2 = load ptr, ptr %c, align 8
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// CHECK:STDOUT: %3 = load ptr, ptr %2, align 8
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// CHECK:STDOUT: %4 = load i32, ptr %3, align 4
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// CHECK:STDOUT: ret i32 %4
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// CHECK:STDOUT: }
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