forked from OSchip/llvm-project
81 lines
3.6 KiB
C
81 lines
3.6 KiB
C
// RUN: %clang_cc1 %s -emit-llvm -ffp-exception-behavior=maytrap -fexperimental-strict-floating-point -o - -triple arm64-none-linux-gnu | FileCheck %s
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// Test that the constrained intrinsics are picking up the exception
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// metadata from the AST instead of the global default from the command line.
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#pragma float_control(except, on)
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int printf(const char *, ...);
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// CHECK-LABEL: @p(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[STR_ADDR:%.*]] = alloca i8*, align 8
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// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i8* [[STR:%.*]], i8** [[STR_ADDR]], align 8
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// CHECK-NEXT: store i32 [[X:%.*]], i32* [[X_ADDR]], align 4
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// CHECK-NEXT: [[TMP0:%.*]] = load i8*, i8** [[STR_ADDR]], align 8
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// CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[X_ADDR]], align 4
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// CHECK-NEXT: [[CALL:%.*]] = call i32 (i8*, ...) @printf(i8* noundef getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* noundef [[TMP0]], i32 noundef [[TMP1]]) [[ATTR4:#.*]]
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// CHECK-NEXT: ret void
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//
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void p(char *str, int x) {
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printf("%s: %d\n", str, x);
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}
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#define P(n,args) p(#n #args, __builtin_##n args)
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// CHECK-LABEL: @test_long_double_isinf(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[LD_ADDR:%.*]] = alloca fp128, align 16
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// CHECK-NEXT: store fp128 [[D:%.*]], fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[TMP0:%.*]] = load fp128, fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[BITCAST:%.*]] = bitcast fp128 [[TMP0]] to i128
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// CHECK-NEXT: [[SHL1:%.*]] = shl i128 [[BITCAST]], 1
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// CHECK-NEXT: [[CMP:%.*]] = icmp eq i128 [[SHL1]], -10384593717069655257060992658440192
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// CHECK-NEXT: [[RES:%.*]] = zext i1 [[CMP]] to i32
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// CHECK-NEXT: call void @p(i8* noundef getelementptr inbounds ([10 x i8], [10 x i8]* @.str.[[#STRID:1]], i64 0, i64 0), i32 noundef [[RES]]) [[ATTR4]]
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// CHECK-NEXT: ret void
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//
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void test_long_double_isinf(long double ld) {
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P(isinf, (ld));
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return;
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}
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// CHECK-LABEL: @test_long_double_isfinite(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[LD_ADDR:%.*]] = alloca fp128, align 16
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// CHECK-NEXT: store fp128 [[D:%.*]], fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[TMP0:%.*]] = load fp128, fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[BITCAST:%.*]] = bitcast fp128 [[TMP0]] to i128
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// CHECK-NEXT: [[SHL1:%.*]] = shl i128 [[BITCAST]], 1
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// CHECK-NEXT: [[CMP:%.*]] = icmp ult i128 [[SHL1]], -10384593717069655257060992658440192
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// CHECK-NEXT: [[RES:%.*]] = zext i1 [[CMP]] to i32
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// CHECK-NEXT: call void @p(i8* noundef getelementptr inbounds ([13 x i8], [13 x i8]* @.str.[[#STRID:STRID+1]], i64 0, i64 0), i32 noundef [[RES]]) [[ATTR4]]
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// CHECK-NEXT: ret void
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//
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void test_long_double_isfinite(long double ld) {
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P(isfinite, (ld));
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return;
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}
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// CHECK-LABEL: @test_long_double_isnan(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[LD_ADDR:%.*]] = alloca fp128, align 16
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// CHECK-NEXT: store fp128 [[D:%.*]], fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[TMP0:%.*]] = load fp128, fp128* [[LD_ADDR]], align 16
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// CHECK-NEXT: [[BITCAST:%.*]] = bitcast fp128 [[TMP0]] to i128
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// CHECK-NEXT: [[ABS:%.*]] = and i128 [[BITCAST]], 170141183460469231731687303715884105727
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// CHECK-NEXT: [[TMP1:%.*]] = sub i128 170135991163610696904058773219554885632, [[ABS]]
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// CHECK-NEXT: [[ISNAN:%.*]] = lshr i128 [[TMP1]], 127
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// CHECK-NEXT: [[RES:%.*]] = trunc i128 [[ISNAN]] to i32
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// CHECK-NEXT: call void @p(i8* noundef getelementptr inbounds ([10 x i8], [10 x i8]* @.str.[[#STRID:STRID+1]], i64 0, i64 0), i32 noundef [[RES]])
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// CHECK-NEXT: ret void
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//
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void test_long_double_isnan(long double ld) {
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P(isnan, (ld));
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return;
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}
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