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llvm-mirror/test/CodeGen/PowerPC/i1-to-double.ll
Tony Jiang 7cd663b80c [PowerPC] Expand ISEL instruction into if-then-else sequence.
Generally, the ISEL is expanded into if-then-else sequence, in some
cases (like when the destination register is the same with the true
or false value register), it may just be expanded into just the if
or else sequence.

llvm-svn: 292154
2017-01-16 20:12:26 +00:00

20 lines
549 B
LLVM

; RUN: llc -verify-machineinstrs -march=ppc32 -mcpu=ppc32 -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s
define double @test(i1 %X) {
%Y = uitofp i1 %X to double
ret double %Y
}
; CHECK-LABEL: @test
; CHECK: andi. {{[0-9]+}}, 3, 1
; CHECK-NEXT: addis 4, 4, .LCPI
; CHECK-NEXT: addis 5, 5, .LCPI
; CHECK-NEXT: bc 12, 1, [[TRUE:.LBB[0-9]+]]
; CHECK: ori 3, 4, 0
; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]]
; CHECK-NEXT: [[TRUE]]
; CHECK-NEXT: addi 3, 5, 0
; CHECK-NEXT: [[SUCCESSOR]]
; CHECK-NEXT: lfs 1, 0(3)
; CHECK-NEXT: blr