llvm-project/llvm/test/CodeGen/PowerPC/fast-isel-fpconv.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

34 lines
895 B
LLVM

; RUN: llc -verify-machineinstrs -mtriple powerpc64-unknown-linux-gnu -fast-isel -O0 < %s | FileCheck %s
; The second fctiwz would use an incorrect input register due to wrong handling
; of COPY_TO_REGCLASS in the FastISel pass. Verify that this is fixed.
declare void @func(i32, i32)
define void @test() {
; CHECK-LABEL: test:
; CHECK: bl func
; CHECK-NEXT: nop
; CHECK: lfs [[REG:[0-9]+]],
; CHECK: fctiwz {{[0-9]+}}, [[REG]]
; CHECK: bl func
; CHECK-NEXT: nop
%memPos = alloca float, align 4
store float 1.500000e+01, ptr %memPos
%valPos = load float, ptr %memPos
%memNeg = alloca float, align 4
store float -1.500000e+01, ptr %memNeg
%valNeg = load float, ptr %memNeg
%FloatToIntPos = fptosi float %valPos to i32
call void @func(i32 15, i32 %FloatToIntPos)
%FloatToIntNeg = fptosi float %valNeg to i32
call void @func(i32 -15, i32 %FloatToIntNeg)
ret void
}