Files
clang-p2996/clang/test/CodeGenCXX/pr12251.cpp
Hal Finkel 3b484f8e27 Adjust test/CodeGenCXX/pr12251.cpp
InstCombine just got a bit smarter about checking known bits of returned
values, and because this test runs the optimizer, it requires an update. We
should really rewrite this test to directly check the IR output from CodeGen.

llvm-svn: 217347
2014-09-07 21:28:53 +00:00

146 lines
3.6 KiB
C++

// RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -O1 -relaxed-aliasing -fstrict-enums -std=c++11 -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -O1 -relaxed-aliasing -std=c++11 -o - | FileCheck --check-prefix=NO-STRICT-ENUMS %s
bool f(bool *x) {
return *x;
}
// CHECK-LABEL: define zeroext i1 @_Z1fPb
// CHECK: load i8* %{{[^ ]*}}, align 1, !range [[RANGE_i8_0_2:![^ ]*]]
// Only enum-tests follow. Ensure that after the bool test, no further range
// metadata shows up when strict enums are disabled.
// NO-STRICT-ENUMS-LABEL: define zeroext i1 @_Z1fPb
// NO-STRICT-ENUMS: load i8* %{{[^ ]*}}, align 1, !range
// NO-STRICT-ENUMS-NOT: !range
enum e1 { };
e1 g1(e1 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g1P2e1
// CHECK: ret i32 0
enum e2 { e2_a = 0 };
e2 g2(e2 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g2P2e2
// CHECK: ret i32 0
enum e3 { e3_a = 16 };
e3 g3(e3 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g3P2e3
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_0_32:![^ ]*]]
enum e4 { e4_a = -16};
e4 g4(e4 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g4P2e4
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m16_16:![^ ]*]]
enum e5 { e5_a = -16, e5_b = 16};
e5 g5(e5 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g5P2e5
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m32_32:![^ ]*]]
enum e6 { e6_a = -1 };
e6 g6(e6 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g6P2e6
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m1_1:![^ ]*]]
enum e7 { e7_a = -16, e7_b = 2};
e7 g7(e7 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g7P2e7
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m16_16]]
enum e8 { e8_a = -17};
e8 g8(e8 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g8P2e8
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m32_32:![^ ]*]]
enum e9 { e9_a = 17};
e9 g9(e9 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z2g9P2e9
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_0_32]]
enum e10 { e10_a = -16, e10_b = 32};
e10 g10(e10 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z3g10P3e10
// CHECK: load i32* %x, align 4, !range [[RANGE_i32_m64_64:![^ ]*]]
enum e11 {e11_a = 4294967296 };
enum e11 g11(enum e11 *x) {
return *x;
}
// CHECK-LABEL: define i64 @_Z3g11P3e11
// CHECK: load i64* %x, align {{[84]}}, !range [[RANGE_i64_0_2pow33:![^ ]*]]
enum e12 {e12_a = 9223372036854775808U };
enum e12 g12(enum e12 *x) {
return *x;
}
// CHECK-LABEL: define i64 @_Z3g12P3e12
// CHECK: load i64* %x, align {{[84]}}
// CHECK-NOT: range
// CHECK: ret
enum e13 : char {e13_a = -1 };
e13 g13(e13 *x) {
return *x;
}
// CHECK-LABEL: define signext i8 @_Z3g13P3e13
// CHECK: load i8* %x, align 1
// CHECK-NOT: range
// CHECK: ret
enum class e14 {e14_a = 1};
e14 g14(e14 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z3g14P3e14
// CHECK: load i32* %x, align 4
// CHECK-NOT: range
// CHECK: ret
enum e15 { e15_a = 2147483648 };
e15 g15(e15 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z3g15P3e15
// CHECK: load i32* %x, align 4
// CHECK-NOT: range
// CHECK: ret
enum e16 { e16_a = -2147483648 };
e16 g16(e16 *x) {
return *x;
}
// CHECK-LABEL: define i32 @_Z3g16P3e16
// CHECK: load i32* %x, align 4
// CHECK-NOT: range
// CHECK: ret
// CHECK: [[RANGE_i8_0_2]] = metadata !{i8 0, i8 2}
// CHECK: [[RANGE_i32_0_32]] = metadata !{i32 0, i32 32}
// CHECK: [[RANGE_i32_m16_16]] = metadata !{i32 -16, i32 16}
// CHECK: [[RANGE_i32_m32_32]] = metadata !{i32 -32, i32 32}
// CHECK: [[RANGE_i32_m1_1]] = metadata !{i32 -1, i32 1}
// CHECK: [[RANGE_i32_m64_64]] = metadata !{i32 -64, i32 64}
// CHECK: [[RANGE_i64_0_2pow33]] = metadata !{i64 0, i64 8589934592}