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-rw-r--r--llvm/test/CodeGen/WebAssembly/cfg-stackify.ll125
-rw-r--r--llvm/test/CodeGen/WebAssembly/reg-stackify.ll41
-rw-r--r--llvm/test/CodeGen/WebAssembly/switch.ll5
3 files changed, 143 insertions, 28 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/cfg-stackify.ll b/llvm/test/CodeGen/WebAssembly/cfg-stackify.ll
index b8ac48bf49d..c615ebb0db9 100644
--- a/llvm/test/CodeGen/WebAssembly/cfg-stackify.ll
+++ b/llvm/test/CodeGen/WebAssembly/cfg-stackify.ll
@@ -1,4 +1,5 @@
-; RUN: llc < %s -asm-verbose=false | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -disable-block-placement | FileCheck %s
+; RUN: llc < %s -asm-verbose=false | FileCheck -check-prefix=OPT %s
; Test the CFG stackifier pass.
@@ -12,10 +13,21 @@ declare void @something()
; CHECK-LABEL: test0:
; CHECK: loop
; CHECK: i32.add
+; CHECK-NOT: br
; CHECK: br_if
+; CHECK-NOT: br
; CHECK: call
; CHECK: br BB0_1{{$}}
; CHECK: return{{$}}
+; OPT-LABEL: test0:
+; OPT: loop
+; OPT: i32.add
+; OPT-NOT: br
+; OPT: br_if
+; OPT-NOT: br
+; OPT: call
+; OPT: br BB0_1{{$}}
+; OPT: return{{$}}
define void @test0(i32 %n) {
entry:
br label %header
@@ -40,10 +52,21 @@ back:
; CHECK-LABEL: test1:
; CHECK: loop
; CHECK: i32.add
+; CHECK-NOT: br
; CHECK: br_if
+; CHECK-NOT: br
; CHECK: call
; CHECK: br BB1_1{{$}}
; CHECK: return{{$}}
+; OPT-LABEL: test1:
+; OPT: loop
+; OPT: i32.add
+; OPT-NOT: br
+; OPT: br_if
+; OPT-NOT: br
+; OPT: call
+; OPT: br BB1_1{{$}}
+; OPT: return{{$}}
define void @test1(i32 %n) {
entry:
br label %header
@@ -69,9 +92,16 @@ back:
; CHECK: block BB2_2{{$}}
; CHECK: br_if {{.*}}, BB2_2{{$}}
; CHECK: BB2_1:
-; CHECK: br_if $pop{{[0-9]+}}, BB2_1{{$}}
+; CHECK: br_if ${{[0-9]+}}, BB2_1{{$}}
; CHECK: BB2_2:
; CHECK: return{{$}}
+; OPT-LABEL: test2:
+; OPT: block BB2_2{{$}}
+; OPT: br_if {{.*}}, BB2_2{{$}}
+; OPT: BB2_1:
+; OPT: br_if ${{[0-9]+}}, BB2_1{{$}}
+; OPT: BB2_2:
+; OPT: return{{$}}
define void @test2(double* nocapture %p, i32 %n) {
entry:
%cmp.4 = icmp sgt i32 %n, 0
@@ -100,13 +130,23 @@ for.end:
; CHECK-LABEL: doublediamond:
; CHECK: block BB3_5{{$}}
; CHECK: block BB3_2{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB3_2{{$}}
+; CHECK: br_if $0, BB3_2{{$}}
; CHECK: block BB3_4{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB3_4{{$}}
+; CHECK: br_if $1, BB3_4{{$}}
; CHECK: br BB3_5{{$}}
; CHECK: BB3_4:
; CHECK: BB3_5:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: doublediamond:
+; OPT: block BB3_5{{$}}
+; OPT: block BB3_4{{$}}
+; OPT: br_if {{.*}}, BB3_4{{$}}
+; OPT: block BB3_3{{$}}
+; OPT: br_if {{.*}}, BB3_3{{$}}
+; OPT: br BB3_5{{$}}
+; OPT: BB3_4:
+; OPT: BB3_5:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @doublediamond(i32 %a, i32 %b, i32* %p) {
entry:
%c = icmp eq i32 %a, 0
@@ -132,9 +172,14 @@ exit:
; CHECK-LABEL: triangle:
; CHECK: block BB4_2{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB4_2{{$}}
+; CHECK: br_if $1, BB4_2{{$}}
; CHECK: BB4_2:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: triangle:
+; OPT: block BB4_2{{$}}
+; OPT: br_if $1, BB4_2{{$}}
+; OPT: BB4_2:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @triangle(i32* %p, i32 %a) {
entry:
%c = icmp eq i32 %a, 0
@@ -151,11 +196,19 @@ exit:
; CHECK-LABEL: diamond:
; CHECK: block BB5_3{{$}}
; CHECK: block BB5_2{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB5_2{{$}}
+; CHECK: br_if $1, BB5_2{{$}}
; CHECK: br BB5_3{{$}}
; CHECK: BB5_2:
; CHECK: BB5_3:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: diamond:
+; OPT: block BB5_3{{$}}
+; OPT: block BB5_2{{$}}
+; OPT: br_if {{.*}}, BB5_2{{$}}
+; OPT: br BB5_3{{$}}
+; OPT: BB5_2:
+; OPT: BB5_3:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @diamond(i32* %p, i32 %a) {
entry:
%c = icmp eq i32 %a, 0
@@ -175,6 +228,9 @@ exit:
; CHECK-LABEL: single_block:
; CHECK-NOT: br
; CHECK: return $pop{{[0-9]+}}{{$}}
+; OPT-LABEL: single_block:
+; OPT-NOT: br
+; OPT: return $pop{{[0-9]+}}{{$}}
define i32 @single_block(i32* %p) {
entry:
store volatile i32 0, i32* %p
@@ -187,6 +243,12 @@ entry:
; CHECK: i32.store $discard=, 0($0), $pop{{[0-9]+}}{{$}}
; CHECK: br BB7_1{{$}}
; CHECK: BB7_2:
+; OPT-LABEL: minimal_loop:
+; OPT-NOT: br
+; OPT: BB7_1:
+; OPT: i32.store $discard=, 0($0), $pop{{[0-9]+}}{{$}}
+; OPT: br BB7_1{{$}}
+; OPT: BB7_2:
define i32 @minimal_loop(i32* %p) {
entry:
store volatile i32 0, i32* %p
@@ -203,6 +265,13 @@ loop:
; CHECK: br_if $pop{{[0-9]+}}, BB8_1{{$}}
; CHECK: BB8_2:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: simple_loop:
+; OPT-NOT: br
+; OPT: BB8_1:
+; OPT: loop BB8_2{{$}}
+; OPT: br_if {{.*}}, BB8_1{{$}}
+; OPT: BB8_2:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @simple_loop(i32* %p, i32 %a) {
entry:
%c = icmp eq i32 %a, 0
@@ -218,12 +287,20 @@ exit:
; CHECK-LABEL: doubletriangle:
; CHECK: block BB9_4{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB9_4{{$}}
+; CHECK: br_if $0, BB9_4{{$}}
; CHECK: block BB9_3{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB9_3{{$}}
+; CHECK: br_if $1, BB9_3{{$}}
; CHECK: BB9_3:
; CHECK: BB9_4:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: doubletriangle:
+; OPT: block BB9_4{{$}}
+; OPT: br_if $0, BB9_4{{$}}
+; OPT: block BB9_3{{$}}
+; OPT: br_if $1, BB9_3{{$}}
+; OPT: BB9_3:
+; OPT: BB9_4:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @doubletriangle(i32 %a, i32 %b, i32* %p) {
entry:
%c = icmp eq i32 %a, 0
@@ -247,12 +324,21 @@ exit:
; CHECK-LABEL: ifelse_earlyexits:
; CHECK: block BB10_4{{$}}
; CHECK: block BB10_2{{$}}
-; CHECK: br_if $pop{{[0-9]+}}, BB10_2{{$}}
+; CHECK: br_if $0, BB10_2{{$}}
; CHECK: br BB10_4{{$}}
; CHECK: BB10_2:
-; CHECK: br_if $pop{{[0-9]+}}, BB10_4{{$}}
+; CHECK: br_if $1, BB10_4{{$}}
; CHECK: BB10_4:
; CHECK: return ${{[0-9]+}}{{$}}
+; OPT-LABEL: ifelse_earlyexits:
+; OPT: block BB10_4{{$}}
+; OPT: block BB10_3{{$}}
+; OPT: br_if {{.*}}, BB10_3{{$}}
+; OPT: br_if $1, BB10_4{{$}}
+; OPT: br BB10_4{{$}}
+; OPT: BB10_3:
+; OPT: BB10_4:
+; OPT: return ${{[0-9]+}}{{$}}
define i32 @ifelse_earlyexits(i32 %a, i32 %b, i32* %p) {
entry:
%c = icmp eq i32 %a, 0
@@ -278,16 +364,31 @@ exit:
; CHECK: loop BB11_7{{$}}
; CHECK: block BB11_6{{$}}
; CHECK: block BB11_3{{$}}
-; CHECK: br_if $pop{{.*}}, BB11_3{{$}}
+; CHECK: br_if $0, BB11_3{{$}}
; CHECK: br BB11_6{{$}}
; CHECK: BB11_3:
; CHECK: block BB11_5{{$}}
-; CHECK: br_if $pop{{.*}}, BB11_5{{$}}
+; CHECK: br_if $1, BB11_5{{$}}
; CHECK: br BB11_6{{$}}
; CHECK: BB11_5:
; CHECK: BB11_6:
; CHECK: br BB11_1{{$}}
; CHECK: BB11_7:
+; OPT-LABEL: doublediamond_in_a_loop:
+; OPT: BB11_1:
+; OPT: loop BB11_7{{$}}
+; OPT: block BB11_6{{$}}
+; OPT: block BB11_5{{$}}
+; OPT: br_if {{.*}}, BB11_5{{$}}
+; OPT: block BB11_4{{$}}
+; OPT: br_if {{.*}}, BB11_4{{$}}
+; OPT: br BB11_6{{$}}
+; OPT: BB11_4:
+; OPT: br BB11_6{{$}}
+; OPT: BB11_5:
+; OPT: BB11_6:
+; OPT: br BB11_1{{$}}
+; OPT: BB11_7:
define i32 @doublediamond_in_a_loop(i32 %a, i32 %b, i32* %p) {
entry:
br label %header
diff --git a/llvm/test/CodeGen/WebAssembly/reg-stackify.ll b/llvm/test/CodeGen/WebAssembly/reg-stackify.ll
index 180d70e2e4a..af4a3501531 100644
--- a/llvm/test/CodeGen/WebAssembly/reg-stackify.ll
+++ b/llvm/test/CodeGen/WebAssembly/reg-stackify.ll
@@ -50,22 +50,35 @@ define i32 @yes1(i32* %q) {
; rearranged to make the stack contiguous.
; CHECK-LABEL: stack_uses:
-; CHECK-NEXT: .param i32{{$}}
+; CHECK-NEXT: .param i32, i32, i32, i32{{$}}
; CHECK-NEXT: .result i32{{$}}
-; CHECK-NEXT: local i32, i32{{$}}
-; CHECK-NEXT: i32.const $1=, 1{{$}}
-; CHECK-NEXT: i32.const $2=, 0{{$}}
-; CHECK-NEXT: i32.and $push0=, $0, $1{{$}}
-; CHECK-NEXT: i32.eq $push1=, $pop0, $2{{$}}
-; CHECK-NEXT: block BB4_2{{$}}
-; CHECK-NEXT: br_if $pop1, BB4_2{{$}}
-; CHECK-NEXT: return $2{{$}}
-; CHECK-NEXT: BB4_2:{{$}}
-; CHECK-NEXT: return $1{{$}}
-define i32 @stack_uses(i32 %x) {
+; CHECK-NEXT: .local i32, i32{{$}}
+; CHECK-NEXT: i32.const $4=, 1{{$}}
+; CHECK-NEXT: i32.const $5=, 2{{$}}
+; CHECK-NEXT: i32.lt_s $push0=, $0, $4{{$}}
+; CHECK-NEXT: i32.lt_s $push1=, $1, $5{{$}}
+; CHECK-NEXT: i32.xor $push4=, $pop0, $pop1{{$}}
+; CHECK-NEXT: i32.lt_s $push2=, $2, $4{{$}}
+; CHECK-NEXT: i32.lt_s $push3=, $3, $5{{$}}
+; CHECK-NEXT: i32.xor $push5=, $pop2, $pop3{{$}}
+; CHECK-NEXT: i32.xor $push6=, $pop4, $pop5{{$}}
+; CHECK-NEXT: i32.ne $push7=, $pop6, $4{{$}}
+; CHECK-NEXT: block BB4_2{{$}}
+; CHECK-NEXT: br_if $pop7, BB4_2{{$}}
+; CHECK-NEXT: i32.const $push8=, 0{{$}}
+; CHECK-NEXT: return $pop8{{$}}
+; CHECK-NEXT: BB4_2:
+; CHECK-NEXT: return $4{{$}}
+define i32 @stack_uses(i32 %x, i32 %y, i32 %z, i32 %w) {
entry:
- %c = trunc i32 %x to i1
- br i1 %c, label %true, label %false
+ %c = icmp sle i32 %x, 0
+ %d = icmp sle i32 %y, 1
+ %e = icmp sle i32 %z, 0
+ %f = icmp sle i32 %w, 1
+ %g = xor i1 %c, %d
+ %h = xor i1 %e, %f
+ %i = xor i1 %g, %h
+ br i1 %i, label %true, label %false
true:
ret i32 0
false:
diff --git a/llvm/test/CodeGen/WebAssembly/switch.ll b/llvm/test/CodeGen/WebAssembly/switch.ll
index 41c5b357d06..c62333c336f 100644
--- a/llvm/test/CodeGen/WebAssembly/switch.ll
+++ b/llvm/test/CodeGen/WebAssembly/switch.ll
@@ -1,6 +1,7 @@
-; RUN: llc < %s -asm-verbose=false | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -disable-block-placement | FileCheck %s
-; Test switch instructions.
+; Test switch instructions. Block placement is disabled because it reorders
+; the blocks in a way that isn't interesting here.
target datalayout = "e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
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