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[X86][TBM] Add TBM stack folding tests 

llvm-svn: 295477
This commit is contained in:
Simon Pilgrim 2017-02-17 18:51:53 +00:00
parent 88634996c7
commit f4f5cd5d19
1 changed files with 201 additions and 0 deletions
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llvm/test/CodeGen/X86/stack-folding-tbm.ll Normal file
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; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=+bmi,+tbm < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"
; Stack reload folding tests.
;
; By including a nop call with sideeffects we can force a partial register spill of the
; relevant registers and check that the reload is correctly folded into the instruction.
define i32 @stack_fold_bextri_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_bextri_u32
;CHECK: # BB#0:
;CHECK: bextr $2814, {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = tail call i32 @llvm.x86.tbm.bextri.u32(i32 %a0, i32 2814)
ret i32 %2
}
declare i32 @llvm.x86.tbm.bextri.u32(i32, i32)
define i64 @stack_fold_bextri_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_bextri_u64
;CHECK: # BB#0:
;CHECK: bextr $2814, {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = tail call i64 @llvm.x86.tbm.bextri.u64(i64 %a0, i64 2814)
ret i64 %2
}
declare i64 @llvm.x86.tbm.bextri.u64(i64, i64)
define i32 @stack_fold_blcfill_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blcfill_u32
;CHECK: blcfill {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = and i32 %a0, %2
ret i32 %3
}
define i64 @stack_fold_blcfill_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blcfill_u64
;CHECK: blcfill {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = and i64 %a0, %2
ret i64 %3
}
define i32 @stack_fold_blci_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blci_u32
;CHECK: blci {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = xor i32 %2, -1
%4 = or i32 %a0, %3
ret i32 %4
}
define i64 @stack_fold_blci_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blci_u64
;CHECK: blci {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = xor i64 %2, -1
%4 = or i64 %a0, %3
ret i64 %4
}
define i32 @stack_fold_blcic_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blcic_u32
;CHECK: blcic {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = xor i32 %a0, -1
%4 = and i32 %2, %3
ret i32 %4
}
define i64 @stack_fold_blcic_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blcic_u64
;CHECK: blcic {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = xor i64 %a0, -1
%4 = and i64 %2, %3
ret i64 %4
}
define i32 @stack_fold_blcmsk_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blcmsk_u32
;CHECK: blcmsk {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = xor i32 %a0, %2
ret i32 %3
}
define i64 @stack_fold_blcmsk_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blcmsk_u64
;CHECK: blcmsk {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = xor i64 %a0, %2
ret i64 %3
}
define i32 @stack_fold_blcs_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blcs_u32
;CHECK: blcs {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = or i32 %a0, %2
ret i32 %3
}
define i64 @stack_fold_blcs_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blcs_u64
;CHECK: blcs {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = or i64 %a0, %2
ret i64 %3
}
define i32 @stack_fold_blsfill_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blsfill_u32
;CHECK: blsfill {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i32 %a0, 1
%3 = or i32 %a0, %2
ret i32 %3
}
define i64 @stack_fold_blsfill_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blsfill_u64
;CHECK: blsfill {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i64 %a0, 1
%3 = or i64 %a0, %2
ret i64 %3
}
define i32 @stack_fold_blsic_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_blsic_u32
;CHECK: blsic {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i32 %a0, 1
%3 = xor i32 %a0, -1
%4 = or i32 %2, %3
ret i32 %4
}
define i64 @stack_fold_blsic_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_blsic_u64
;CHECK: blsic {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i64 %a0, 1
%3 = xor i64 %a0, -1
%4 = or i64 %2, %3
ret i64 %4
}
define i32 @stack_fold_t1mskc_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_t1mskc_u32
;CHECK: t1mskc {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i32 %a0, 1
%3 = xor i32 %a0, -1
%4 = or i32 %2, %3
ret i32 %4
}
define i64 @stack_fold_t1mskc_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_t1mskc_u64
;CHECK: t1mskc {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = add i64 %a0, 1
%3 = xor i64 %a0, -1
%4 = or i64 %2, %3
ret i64 %4
}
define i32 @stack_fold_tzmsk_u32(i32 %a0) {
;CHECK-LABEL: stack_fold_tzmsk_u32
;CHECK: tzmsk {{-?[0-9]*}}(%rsp), %eax {{.*#+}} 4-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i32 %a0, 1
%3 = xor i32 %a0, -1
%4 = and i32 %2, %3
ret i32 %4
}
define i64 @stack_fold_tzmsk_u64(i64 %a0) {
;CHECK-LABEL: stack_fold_tzmsk_u64
;CHECK: tzmsk {{-?[0-9]*}}(%rsp), %rax {{.*#+}} 8-byte Folded Reload
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
%2 = sub i64 %a0, 1
%3 = xor i64 %a0, -1
%4 = and i64 %2, %3
ret i64 %4
}