fd739804e0
For a default visibility external linkage definition, dso_local is set for ELF
-fno-pic/-fpie and COFF and Mach-O. Since default clang -cc1 for ELF is similar
to -fpic ("PIC Level" is not set), this nuance causes unneeded binary format differences.
To make emitted IR similar, ELF -cc1 -fpic will default to -fno-semantic-interposition,
which sets dso_local for default visibility external linkage definitions.
To make this flip smooth and enable future (dso_local as definition default),
this patch replaces (function) `define ` with `define{{.*}} `,
(variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} `.
28 lines
925 B
C
28 lines
925 B
C
// RUN: %clang_cc1 -fno-math-builtin -fmath-errno -emit-llvm -o - %s -triple le32-unknown-nacl | FileCheck %s
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// RUN: %clang_cc1 -fno-math-builtin -emit-llvm -o - %s -triple le32-unknown-nacl | FileCheck %s
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// le32 (PNaCl) never generates intrinsics for pow calls, with or without
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// errno, when the -fno-math-builtin flag is passed to -cc1. A separate test
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// makes sure this flag is indeed passed for le32.
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float powf(float, float);
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double pow(double, double);
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long double powl(long double, long double);
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// CHECK-LABEL: define{{.*}} void @test_pow
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void test_pow(float a0, double a1, long double a2) {
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// CHECK: call float @powf
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float l0 = powf(a0, a0);
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// CHECK: call double @pow
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double l1 = pow(a1, a1);
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// CHECK: call double @powl
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long double l2 = powl(a2, a2);
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}
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// CHECK: declare float @powf(float, float)
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// CHECK: declare double @pow(double, double)
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// CHECK: declare double @powl(double, double)
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