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260 lines
8.4 KiB
C
260 lines
8.4 KiB
C
// RUN: %clang_cc1 -std=c23 -triple x86_64-unknown-linux-gnu -mmlir -mlir-print-ir-before=cir-canonicalize -Wno-unused-value -Wno-constant-conversion -Wno-literal-conversion -fclangir -emit-cir %s -o %t.cir 2> %t-before.cir
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// Note: The "before" check intentionally uses the same CIR check prefixes to
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// verify that the IR is folded during code generation and not during
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// canonicalization. In a few cases, it is necessary to match an unused
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// duplicate constant that will be erased during canonicalization.
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// RUN: FileCheck --input-file=%t-before.cir %s -check-prefixes=CIR,CIR-DUP,ALL
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// RUN: FileCheck --input-file=%t.cir %s -check-prefixes=CIR,ALL
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// RUN: %clang_cc1 -std=c23 -triple x86_64-unknown-linux-gnu -Wno-unused-value -Wno-constant-conversion -Wno-literal-conversion -fclangir -emit-llvm %s -o %t-cir.ll
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// RUN: FileCheck --input-file=%t-cir.ll %s -check-prefixes=LLVM_OGCG,ALL
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// RUN: %clang_cc1 -std=c23 -triple x86_64-unknown-linux-gnu -Wno-unused-value -Wno-constant-conversion -Wno-literal-conversion -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefixes=LLVM_OGCG,ALL
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void fold_int_not() {
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// ALL: fold_int_not
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int n;
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short s;
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unsigned u;
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n = ~0;
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<-1> : !s32i
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// CIR-NOT: cir.not
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i32 -1, ptr %{{.*}}
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n = ~1;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.int<-2> : !s32i
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// CIR-NOT: cir.not
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store i32 -2, ptr %{{.*}}
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n = ~0xFFFFFFFE;
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !s32i
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// CIR-NOT: cir.not
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i32 1, ptr %{{.*}}
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}
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void fold_int_plus() {
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// ALL: fold_int_plus
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int n;
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short s;
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unsigned u;
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n = +1;
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !s32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i32 1, ptr %{{.*}}
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n = +2;
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// CIR: %[[TWO:.*]] = cir.const #cir.int<2> : !s32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[TWO]], %{{.*}}
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// LLVM_OGCG: store i32 2, ptr %{{.*}}
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n = +(-3);
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// CIR: %[[MINUS_THREE:.*]] = cir.const #cir.int<-3> : !s32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_THREE]], %{{.*}}
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// LLVM_OGCG: store i32 -3, ptr %{{.*}}
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n = +(0x1FFFFFFFF);
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<-1> : !s32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i32 -1, ptr %{{.*}}
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s = +1;
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !s16i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i16 1, ptr %{{.*}}
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s = +2;
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// CIR: %[[TWO:.*]] = cir.const #cir.int<2> : !s16i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[TWO]], %{{.*}}
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// LLVM_OGCG: store i16 2, ptr %{{.*}}
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s = +(-3);
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// CIR: %[[MINUS_THREE:.*]] = cir.const #cir.int<-3> : !s16i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_THREE]], %{{.*}}
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// LLVM_OGCG: store i16 -3, ptr %{{.*}}
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s = +(0x1FFFF);
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<-1> : !s16i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i16 -1, ptr %{{.*}}
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u = +1;
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !u32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i32 1, ptr %{{.*}}
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u = +2;
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// CIR: %[[TWO:.*]] = cir.const #cir.int<2> : !u32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[TWO]], %{{.*}}
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// LLVM_OGCG: store i32 2, ptr %{{.*}}
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u = +(-3);
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// CIR: %[[MINUS_THREE:.*]] = cir.const #cir.int<4294967293> : !u32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_THREE]], %{{.*}}
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// LLVM_OGCG: store i32 -3, ptr %{{.*}}
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u = +(0x1FFFFFFFF);
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<4294967295> : !u32i
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i32 -1, ptr %{{.*}}
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}
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void fold_int_minus() {
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// ALL: fold_int_minus
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int n;
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short s;
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unsigned u;
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n = -1;
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<-1> : !s32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i32 -1, ptr %{{.*}}
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n = -2;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.int<-2> : !s32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store i32 -2, ptr %{{.*}}
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n = -(-3);
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// CIR-DUP: %[[UNUSED_THREE:.*]] = cir.const #cir.int<3> : !s32i
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// CIR: %[[THREE:.*]] = cir.const #cir.int<3> : !s32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[THREE]], %{{.*}}
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// LLVM_OGCG: store i32 3, ptr %{{.*}}
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n = -(0x1FFFFFFFF);
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !s32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i32 1, ptr %{{.*}}
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s = -1;
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<-1> : !s16i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i16 -1, ptr %{{.*}}
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s = -2;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.int<-2> : !s16i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store i16 -2, ptr %{{.*}}
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s = -(-3);
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// CIR-DUP: %[[UNUSED_THREE:.*]] = cir.const #cir.int<3> : !s32i
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// CIR: %[[THREE:.*]] = cir.const #cir.int<3> : !s16i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[THREE]], %{{.*}}
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// LLVM_OGCG: store i16 3, ptr %{{.*}}
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s = -(0x1FFFF);
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !s16i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i16 1, ptr %{{.*}}
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u = -1;
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// CIR: %[[MINUS_ONE:.*]] = cir.const #cir.int<4294967295> : !u32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_ONE]], %{{.*}}
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// LLVM_OGCG: store i32 -1, ptr %{{.*}}
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u = -2;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.int<4294967294> : !u32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store i32 -2, ptr %{{.*}}
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u = -(-3);
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// CIR-DUP: %[[UNUSED_THREE:.*]] = cir.const #cir.int<3> : !s32i
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// CIR: %[[THREE:.*]] = cir.const #cir.int<3> : !u32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[THREE]], %{{.*}}
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// LLVM_OGCG: store i32 3, ptr %{{.*}}
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u = -(0x1FFFFFFFF);
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// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !u32i
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[ONE]], %{{.*}}
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// LLVM_OGCG: store i32 1, ptr %{{.*}}
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}
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void fold_float_plus() {
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// ALL: fold_float_plus
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float f;
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double d;
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f = +2.0f;
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// CIR: %[[TWO:.*]] = cir.const #cir.fp<2.000000e+00> : !cir.float
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[TWO]], %{{.*}}
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// LLVM_OGCG: store float 2.000000e+00, ptr %{{.*}}
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f = +(-3.0f);
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// CIR: %[[MINUS_THREE:.*]] = cir.const #cir.fp<-3.000000e+00> : !cir.float
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_THREE]], %{{.*}}
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// LLVM_OGCG: store float -3.000000e+00, ptr %{{.*}}
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d = +2.0;
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// CIR: %[[TWO:.*]] = cir.const #cir.fp<2.000000e+00> : !cir.double
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[TWO]], %{{.*}}
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// LLVM_OGCG: store double 2.000000e+00, ptr %{{.*}}
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d = +(-3.0);
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// CIR: %[[MINUS_THREE:.*]] = cir.const #cir.fp<-3.000000e+00> : !cir.double
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// CIR-NOT: cir.plus
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// CIR: cir.store{{.*}} %[[MINUS_THREE]], %{{.*}}
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// LLVM_OGCG: store double -3.000000e+00, ptr %{{.*}}
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}
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void fold_float_minus() {
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// ALL: fold_float_minus
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float f;
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double d;
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f = -2.0f;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.fp<-2.000000e+00> : !cir.float
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store float -2.000000e+00, ptr %{{.*}}
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f = -(-3.0f);
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// CIR-DUP: %[[UNUSED_THREE:.*]] = cir.const #cir.fp<3.000000e+00> : !cir.float
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// CIR: %[[THREE:.*]] = cir.const #cir.fp<3.000000e+00> : !cir.float
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[THREE]], %{{.*}}
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// LLVM_OGCG: store float 3.000000e+00, ptr %{{.*}}
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d = -2.0;
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// CIR: %[[MINUS_TWO:.*]] = cir.const #cir.fp<-2.000000e+00> : !cir.double
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[MINUS_TWO]], %{{.*}}
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// LLVM_OGCG: store double -2.000000e+00, ptr %{{.*}}
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d = -(-3.0);
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// CIR-DUP: %[[UNUSED_THREE:.*]] = cir.const #cir.fp<3.000000e+00> : !cir.double
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// CIR: %[[THREE:.*]] = cir.const #cir.fp<3.000000e+00> : !cir.double
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// CIR-NOT: cir.minus
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// CIR: cir.store{{.*}} %[[THREE]], %{{.*}}
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// LLVM_OGCG: store double 3.000000e+00, ptr %{{.*}}
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}
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