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https://github.com/capstone-engine/llvm-capstone.git
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158d72d728
Set the writable and dead_on_unwind attributes for sret arguments. These indicate that the argument points to writable memory (and it's legal to introduce spurious writes to it on entry to the function) and that the argument memory will not be used if the call unwinds. This enables additional MemCpyOpt/DSE/LICM optimizations.
31 lines
2.6 KiB
C
31 lines
2.6 KiB
C
// RUN: %clang_cc1 -triple mips-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
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// RUN: %clang_cc1 -triple mipsel-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
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// RUN: %clang_cc1 -triple mipsisa32r6-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
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// RUN: %clang_cc1 -triple mipsisa32r6el-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
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// RUN: %clang_cc1 -triple mips64-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mipsisa64r6-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mipsisa64r6el-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mips64-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mipsisa64r6-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mipsisa64r6el-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
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// RUN: %clang_cc1 -triple mips64-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mipsisa64r6-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mipsisa64r6el-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mips64-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mipsisa64r6-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// RUN: %clang_cc1 -triple mipsisa64r6el-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
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// O32: define{{.*}} void @fn28(ptr dead_on_unwind noalias writable sret(%struct.T2) align 1 %agg.result, i8 noundef signext %arg0)
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// N32: define{{.*}} void @fn28(i8 noundef signext %arg0)
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// N64: define{{.*}} void @fn28(i8 noundef signext %arg0)
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typedef struct T2 { } T2;
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T2 T2_retval;
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T2 fn28(char arg0) {
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return T2_retval;
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}
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