; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu -O3 -ppc-asm-full-reg-names -verify-machineinstrs < %s | FileCheck %s
; Test cases are generated from:
; long long NAME(PARAM a, PARAM b) {
; if (LHS > RHS)
; return b;
; if (LHS < RHS)
; return a;\
; return a * b;
; }
; Please note funtion name is defined as <PARAM>_<LHS>_<RHS>. Take ll_a_op_b__1
; for example. ll is PARAM, a_op_b (i.e., a << b) is LHS, _1 (i.e., -1) is RHS.
target datalayout = "e-m:e-i64:64-n32:64"
define i64 @ll_a_op_b__2(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_op_b__2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: sld r5, r3, r4
; CHECK-NEXT: cmpdi r5, -2
; CHECK-NEXT: ble cr0, .LBB0_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB0_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%shl = shl i64 %a, %b
%cmp = icmp sgt i64 %shl, -2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i64 %shl, -2
%mul = select i1 %cmp2, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_op_b__1(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_op_b__1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: sld r5, r3, r4
; CHECK-NEXT: cmpdi r5, -1
; CHECK-NEXT: ble cr0, .LBB1_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB1_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%shl = shl i64 %a, %b
%cmp = icmp sgt i64 %shl, -1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i64 %shl, -1
%mul = select i1 %cmp2, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_op_b_0(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_op_b_0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: sld. r5, r3, r4
; CHECK-NEXT: ble cr0, .LBB2_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB2_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%shl = shl i64 %a, %b
%cmp = icmp sgt i64 %shl, 0
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i64 %shl, 0
%mul = select i1 %cmp2, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_op_b_1(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_op_b_1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: sld r5, r3, r4
; CHECK-NEXT: cmpdi r5, 1
; CHECK-NEXT: ble cr0, .LBB3_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB3_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%shl = shl i64 %a, %b
%cmp = icmp sgt i64 %shl, 1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i64 %shl, 1
%mul = select i1 %cmp2, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_op_b_2(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_op_b_2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: sld r5, r3, r4
; CHECK-NEXT: cmpdi r5, 2
; CHECK-NEXT: ble cr0, .LBB4_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB4_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%shl = shl i64 %a, %b
%cmp = icmp sgt i64 %shl, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i64 %shl, 2
%mul = select i1 %cmp2, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a__2(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a__2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r3, -2
; CHECK-NEXT: ble cr0, .LBB5_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB5_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i64 %a, -2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i64 %a, -2
%mul = select i1 %cmp1, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a__1(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a__1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r3, -1
; CHECK-NEXT: ble cr0, .LBB6_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB6_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i64 %a, -1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i64 %a, -1
%mul = select i1 %cmp1, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_0(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r3, 0
; CHECK-NEXT: ble cr0, .LBB7_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB7_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i64 %a, 0
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i64 %a, 0
%mul = select i1 %cmp1, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_1(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r3, 1
; CHECK-NEXT: ble cr0, .LBB8_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB8_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i64 %a, 1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i64 %a, 1
%mul = select i1 %cmp1, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @ll_a_2(i64 %a, i64 %b) {
; CHECK-LABEL: ll_a_2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r3, 2
; CHECK-NEXT: ble cr0, .LBB9_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB9_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mulld r3, r4, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i64 %a, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i64 %a, 2
%mul = select i1 %cmp1, i64 %b, i64 1
%spec.select = mul nsw i64 %mul, %a
ret i64 %spec.select
return: ; preds = %entry
ret i64 %b
}
define i64 @i_a_op_b__2(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_op_b__2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: slw r5, r3, r4
; CHECK-NEXT: cmpwi r5, -2
; CHECK-NEXT: bgt cr0, .LBB10_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB10_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%shl = shl i32 %a, %b
%cmp = icmp sgt i32 %shl, -2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i32 %shl, -2
%mul = select i1 %cmp2, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_op_b__1(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_op_b__1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: slw r5, r3, r4
; CHECK-NEXT: cmpwi r5, -1
; CHECK-NEXT: ble cr0, .LBB11_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB11_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%shl = shl i32 %a, %b
%cmp = icmp sgt i32 %shl, -1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i32 %shl, -1
%mul = select i1 %cmp2, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_op_b_0(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_op_b_0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: slw r5, r3, r4
; CHECK-NEXT: cmpwi r5, 0
; CHECK-NEXT: ble cr0, .LBB12_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB12_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%shl = shl i32 %a, %b
%cmp = icmp sgt i32 %shl, 0
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i32 %shl, 0
%mul = select i1 %cmp2, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_op_b_1(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_op_b_1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: slw r5, r3, r4
; CHECK-NEXT: cmpwi r5, 1
; CHECK-NEXT: bgt cr0, .LBB13_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB13_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%shl = shl i32 %a, %b
%cmp = icmp sgt i32 %shl, 1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i32 %shl, 1
%mul = select i1 %cmp2, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_op_b_2(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_op_b_2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: slw r5, r3, r4
; CHECK-NEXT: cmpwi r5, 2
; CHECK-NEXT: bgt cr0, .LBB14_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB14_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%shl = shl i32 %a, %b
%cmp = icmp sgt i32 %shl, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp2 = icmp eq i32 %shl, 2
%mul = select i1 %cmp2, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a__2(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a__2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r3, -2
; CHECK-NEXT: bgt cr0, .LBB15_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB15_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i32 %a, -2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i32 %a, -2
%mul = select i1 %cmp1, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a__1(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a__1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r3, -1
; CHECK-NEXT: ble cr0, .LBB16_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB16_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i32 %a, -1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i32 %a, -1
%mul = select i1 %cmp1, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_0(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r3, 0
; CHECK-NEXT: ble cr0, .LBB17_2
; CHECK-NEXT: # %bb.1: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB17_2: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i32 %a, 0
%mul = select i1 %cmp1, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_1(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r3, 1
; CHECK-NEXT: bgt cr0, .LBB18_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB18_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i32 %a, 1
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i32 %a, 1
%mul = select i1 %cmp1, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}
define i64 @i_a_2(i32 signext %a, i32 signext %b) {
; CHECK-LABEL: i_a_2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r3, 2
; CHECK-NEXT: bgt cr0, .LBB19_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: isellt r4, r5, r4
; CHECK-NEXT: mullw r4, r4, r3
; CHECK-NEXT: .LBB19_2: # %return
; CHECK-NEXT: extsw r3, r4
; CHECK-NEXT: blr
entry:
%cmp = icmp sgt i32 %a, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%cmp1 = icmp eq i32 %a, 2
%mul = select i1 %cmp1, i32 %b, i32 1
%spec.select = mul nsw i32 %mul, %a
br label %return
return: ; preds = %if.end, %entry
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
%retval.0 = sext i32 %retval.0.in to i64
ret i64 %retval.0
}