9ca9fee6e8
Return false from ShouldShrinkFPConstant(), so that these constants are stored in their full size on the constant pool, even if they could have been shrunk and used with an extending load. This is better since LD is faster than LDE, and it also enables reg/mem opcodes. Review: Ulrich Weigand Differential Revision: https://reviews.llvm.org/D117927
16 lines
496 B
LLVM
16 lines
496 B
LLVM
; Test loads of 64-bit floating-point constants that could be represented
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; as 32-bit constants, but should not be.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CONST
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define double @f1() {
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; CHECK-LABEL: f1:
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; CHECK: larl [[REGISTER:%r[1-5]]], {{.*}}
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; CHECK: ld %f0, 0([[REGISTER]])
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; CHECK: br %r14
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;
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; CONST: .quad 0x3ff0000020000000 # double 1.0000001192092896
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ret double 0x3ff0000020000000
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}
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