forked from OSchip/llvm-project
137 lines
3.3 KiB
LLVM
137 lines
3.3 KiB
LLVM
; FIXME: FastISel currently returns false if it hits code that uses VSX
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; registers and with -fast-isel-abort=1 turned on the test case will then fail.
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; When fastisel better supports VSX fix up this test case.
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;
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; RUN: llc < %s -O0 -verify-machineinstrs -mattr=-vsx -fast-isel-abort=1 -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -ppc-late-peephole=true | FileCheck %s --check-prefix=ELF64
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define i32 @t1(i8 signext %a) nounwind {
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%1 = sext i8 %a to i32
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ret i32 %1
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}
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define i32 @t2(i8 zeroext %a) nounwind {
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%1 = zext i8 %a to i32
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ret i32 %1
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}
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define i32 @t3(i16 signext %a) nounwind {
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%1 = sext i16 %a to i32
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ret i32 %1
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}
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define i32 @t4(i16 zeroext %a) nounwind {
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%1 = zext i16 %a to i32
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ret i32 %1
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}
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define void @foo(i8 %a, i16 %b) nounwind {
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; ELF64: foo
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%1 = call i32 @t1(i8 signext %a)
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; ELF64: extsb
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%2 = call i32 @t2(i8 zeroext %a)
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; ELF64: clrldi {{[0-9]+}}, {{[0-9]+}}, 56
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%3 = call i32 @t3(i16 signext %b)
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; ELF64: extsh
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%4 = call i32 @t4(i16 zeroext %b)
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; ELF64: clrldi {{[0-9]+}}, {{[0-9]+}}, 48
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;; A few test to check materialization
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%5 = call i32 @t2(i8 zeroext 255)
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; ELF64: li 3, 255
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; ELF64-NOT: clrldi
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%6 = call i32 @t4(i16 zeroext 65535)
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; ELF64: lis 3, 0
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; ELF64: ori 3, 3, 65535
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; ELF64: clrldi 3, 3, 48
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; ELF64: bl t4
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ret void
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}
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define void @foo2() nounwind {
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%1 = call signext i16 @t5()
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%2 = call zeroext i16 @t6()
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%3 = call signext i8 @t7()
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%4 = call zeroext i8 @t8()
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ret void
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}
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declare signext i16 @t5();
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declare zeroext i16 @t6();
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declare signext i8 @t7();
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declare zeroext i8 @t8();
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define i32 @t10(i32 %argc, i8** nocapture %argv) nounwind {
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entry:
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; ELF64: t10
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%call = call i32 @bar(i8 zeroext 0, i8 zeroext -8, i8 zeroext -69, i8 zeroext 28, i8 zeroext 40, i8 zeroext -70)
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; ELF64: li 3, 0
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; ELF64: li 4, 248
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; ELF64: li 5, 187
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; ELF64: li 6, 28
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; ELF64: li 7, 40
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; ELF64: li 8, 186
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; ELF64-NOT: clrldi
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; ELF64: bl bar
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ret i32 0
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}
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declare i32 @bar(i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext)
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define i32 @bar0(i32 %i) nounwind {
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ret i32 0
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}
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; Function pointers are not yet implemented.
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;define void @foo3() uwtable {
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; %fptr = alloca i32 (i32)*, align 8
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; store i32 (i32)* @bar0, i32 (i32)** %fptr, align 8
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; %1 = load i32 (i32)*, i32 (i32)** %fptr, align 8
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; %call = call i32 %1(i32 0)
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; ret void
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;}
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; Intrinsic calls not yet implemented, and udiv isn't one for PPC anyway.
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;define i32 @LibCall(i32 %a, i32 %b) {
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;entry:
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; %tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
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; ret i32 %tmp1
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;}
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declare void @float_foo(float %f)
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define void @float_const() nounwind {
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entry:
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; ELF64: float_const
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call void @float_foo(float 0x401C666660000000)
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; ELF64: addis [[REG:[0-9]+]], 2, .LCPI[[SUF:[0-9_]+]]@toc@ha
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; ELF64: lfs 1, .LCPI[[SUF]]@toc@l([[REG]])
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ret void
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}
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define void @float_reg(float %dummy, float %f) nounwind {
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entry:
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; ELF64: float_reg
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call void @float_foo(float %f)
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; ELF64: fmr 1, 2
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ret void
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}
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declare void @double_foo(double %d)
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define void @double_const() nounwind {
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entry:
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; ELF64: double_const
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call void @double_foo(double 0x1397723CCABD0000401C666660000000)
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; ELF64: addis [[REG2:[0-9]+]], 2, .LCPI[[SUF2:[0-9_]+]]@toc@ha
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; ELF64: lfd 1, .LCPI[[SUF2]]@toc@l([[REG2]])
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ret void
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}
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define void @double_reg(double %dummy, double %d) nounwind {
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entry:
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; ELF64: double_reg
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call void @double_foo(double %d)
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; ELF64: fmr 1, 2
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ret void
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}
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