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llvm-mirror/test/CodeGen/ARM64/mul.ll
Tim Northover 2f13163a84 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

llvm-svn: 205090
2014-03-29 10:18:08 +00:00

91 lines
2.2 KiB
LLVM

; RUN: llc < %s -march=arm64 | FileCheck %s
; rdar://9296808
; rdar://9349137
define i128 @t1(i64 %a, i64 %b) nounwind readnone ssp {
entry:
; CHECK-LABEL: t1:
; CHECK: mul {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
; CHECK: umulh {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
%tmp1 = zext i64 %a to i128
%tmp2 = zext i64 %b to i128
%tmp3 = mul i128 %tmp1, %tmp2
ret i128 %tmp3
}
define i128 @t2(i64 %a, i64 %b) nounwind readnone ssp {
entry:
; CHECK-LABEL: t2:
; CHECK: mul {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
; CHECK: smulh {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
%tmp1 = sext i64 %a to i128
%tmp2 = sext i64 %b to i128
%tmp3 = mul i128 %tmp1, %tmp2
ret i128 %tmp3
}
define i64 @t3(i32 %a, i32 %b) nounwind {
entry:
; CHECK-LABEL: t3:
; CHECK: umull {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
ret i64 %tmp3
}
define i64 @t4(i32 %a, i32 %b) nounwind {
entry:
; CHECK-LABEL: t4:
; CHECK: smull {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
ret i64 %tmp3
}
define i64 @t5(i32 %a, i32 %b, i64 %c) nounwind {
entry:
; CHECK-LABEL: t5:
; CHECK: umaddl {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, {{x[0-9]+}}
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = add i64 %c, %tmp3
ret i64 %tmp4
}
define i64 @t6(i32 %a, i32 %b, i64 %c) nounwind {
entry:
; CHECK-LABEL: t6:
; CHECK: smsubl {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, {{x[0-9]+}}
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 %c, %tmp3
ret i64 %tmp4
}
define i64 @t7(i32 %a, i32 %b) nounwind {
entry:
; CHECK-LABEL: t7:
; CHECK: umnegl {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 0, %tmp3
ret i64 %tmp4
}
define i64 @t8(i32 %a, i32 %b) nounwind {
entry:
; CHECK-LABEL: t8:
; CHECK: smnegl {{x[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 0, %tmp3
ret i64 %tmp4
}