90 lines
1.9 KiB
LLVM
90 lines
1.9 KiB
LLVM
|
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
|
||
|
target datalayout = "E-m:e-i64:64-n32:64"
|
||
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
||
|
; Function Attrs: nounwind readnone
|
||
|
define signext i32 @foo(i32 signext %a) #0 {
|
||
|
entry:
|
||
|
%mul = mul nsw i32 %a, %a
|
||
|
%shr2 = lshr i32 %mul, 5
|
||
|
ret i32 %shr2
|
||
|
|
||
|
; CHECK-LABEL: @foo
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
define zeroext i32 @test6(i32 zeroext %x) #0 {
|
||
|
entry:
|
||
|
%and = lshr i32 %x, 16
|
||
|
%shr = and i32 %and, 255
|
||
|
%and1 = shl i32 %x, 16
|
||
|
%shl = and i32 %and1, 16711680
|
||
|
%or = or i32 %shr, %shl
|
||
|
ret i32 %or
|
||
|
|
||
|
; CHECK-LABEL: @test6
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
define zeroext i32 @min(i32 zeroext %a, i32 zeroext %b) #0 {
|
||
|
entry:
|
||
|
%cmp = icmp ule i32 %a, %b
|
||
|
%cond = select i1 %cmp, i32 %a, i32 %b
|
||
|
ret i32 %cond
|
||
|
|
||
|
; CHECK-LABEL: @min
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
; Function Attrs: nounwind readnone
|
||
|
declare i32 @llvm.bswap.i32(i32) #0
|
||
|
|
||
|
; Function Attrs: nounwind readonly
|
||
|
define zeroext i32 @bs32(i32* nocapture readonly %x) #1 {
|
||
|
entry:
|
||
|
%0 = load i32, i32* %x, align 4
|
||
|
%1 = tail call i32 @llvm.bswap.i32(i32 %0)
|
||
|
ret i32 %1
|
||
|
|
||
|
; CHECK-LABEL: @bs32
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
; Function Attrs: nounwind readonly
|
||
|
define zeroext i16 @bs16(i16* nocapture readonly %x) #1 {
|
||
|
entry:
|
||
|
%0 = load i16, i16* %x, align 2
|
||
|
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
|
||
|
ret i16 %1
|
||
|
|
||
|
; CHECK-LABEL: @bs16
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
; Function Attrs: nounwind readnone
|
||
|
declare i16 @llvm.bswap.i16(i16) #0
|
||
|
|
||
|
; Function Attrs: nounwind readnone
|
||
|
define zeroext i32 @ctlz32(i32 zeroext %x) #0 {
|
||
|
entry:
|
||
|
%0 = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
|
||
|
ret i32 %0
|
||
|
|
||
|
; CHECK-LABEL: @ctlz32
|
||
|
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
|
||
|
; CHECK: blr
|
||
|
}
|
||
|
|
||
|
; Function Attrs: nounwind readnone
|
||
|
declare i32 @llvm.ctlz.i32(i32, i1) #0
|
||
|
|
||
|
|
||
|
attributes #0 = { nounwind readnone }
|
||
|
attributes #1 = { nounwind readonly }
|
||
|
|