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TheRock/compiler/amd-llvm/clang/test/CodeGen/PowerPC/builtins-ppc-xlcompat-expect.c
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32 lines
1.7 KiB
C

// REQUIRES: powerpc-registered-target
// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s --check-prefix=64BIT
// RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr8 | FileCheck %s --check-prefix=64BIT
// RUN: %clang_cc1 -triple powerpc64-unknown-aix -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s --check-prefix=64BIT
// RUN: %clang_cc1 -triple powerpc-unknown-linux-gnu -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s --check-prefix=32BIT
// RUN: %clang_cc1 -triple powerpcle-unknown-linux-gnu -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr8 | FileCheck %s --check-prefix=32BIT
// RUN: %clang_cc1 -triple powerpc-unknown-aix -O1 -disable-llvm-passes \
// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s --check-prefix=32BIT
// 64BIT-LABEL: @testbuiltin_expect(
// 64BIT: [[EXPVAL:%.*]] = call i64 @llvm.expect.i64(i64 {{%.*}}, i64 23)
// 64BIT-NEXT: [[CMP:%.*]] = icmp eq i64 [[EXPVAL]], 23
// 64BIT-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
// 64BIT-NEXT: [[CONV1:%.*]] = sext i32 [[CONV]] to i64
// 64BIT-NEXT: ret i64 [[CONV1]]
//
// 32BIT-LABEL: @testbuiltin_expect(
// 32BIT: [[EXPVAL:%.*]] = call i32 @llvm.expect.i32(i32 {{%.*}}, i32 23)
// 32BIT-NEXT: [[CMP:%.*]] = icmp eq i32 [[EXPVAL]], 23
// 32BIT-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
// 32BIT-NEXT: ret i32 [[CONV]]
//
long testbuiltin_expect(long expression) {
// The second parameter is a long constant.
return __builtin_expect(expression, 23) == 23;
}