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