2b3becb41d
GlobalISel is used in option -O0, so add MOVI pattern for it, which is done similar in gcc.(https://godbolt.org/z/8j6fzG3h6) Fix https://github.com/llvm/llvm-project/issues/53651 Reviewed By: dmgreen, paquette Differential Revision: https://reviews.llvm.org/D122559
22 lines
799 B
LLVM
22 lines
799 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel -verify-machineinstrs < %s | FileCheck %s --check-prefix=GISEL
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; RUN: llc -mtriple=aarch64-none-linux-gnu -fast-isel -verify-machineinstrs < %s | FileCheck %s --check-prefix=FISEL
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; float foo(void) { return float(2147483648); }
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define float @select_fp_const() {
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; CHECK-LABEL: select_opt4
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; CHECK: movi v0.2s, #79, lsl #24
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; GISEL-LABEL: select_fp_const:
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; GISEL: // %bb.0: // %entry
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; GISEL-NEXT: movi v0.2s, #79, lsl #24
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; GISEL-NEXT: ret
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;
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; FISEL-LABEL: select_fp_const:
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; FISEL: // %bb.0: // %entry
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; FISEL-NEXT: adrp x8, .LCPI0_0
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; FISEL-NEXT: ldr s0, [x8, :lo12:.LCPI0_0]
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; FISEL-NEXT: ret
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entry:
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ret float 0x41E0000000000000
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}
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